Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.205–213, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 18–21, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 21–28, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 29–32, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 33–41, bibcode:2002HiA....12..205S (swri.edu [PDF]).
E. J. Öpik: Collision probability with the planets and the distribution of planetary matter. 1951, bibcode:1951PRIA...54..165O.
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 1–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 17–24, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 26–40, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 1–6, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.205, Zeile 26–29, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 1–12, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 17–23, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 29–31, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 4–6, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 7–26, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 34–39, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 40 bis S. 208, Zeile 5, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 6–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 12–21, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 22 bis S. 209, Zeile 2, bibcode:2002HiA....12..205S (swri.edu [PDF]).
G. H. A. Cole: Physics of planetary interiors. Hilger, Bristol 1984 (harvard.edu).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 3–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 9–18, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 19–23, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 1–8, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 8–10, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 10–14, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 10–14, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 15–18, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 19ff., bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.213 Zeile 6ff., bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.205–213, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 18–21, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 21–28, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 29–32, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210 Zeile 33–41, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 1–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 17–24, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.211 Zeile 26–40, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 1–6, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.205, Zeile 26–29, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 1–12, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 17–23, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.206, Zeile 29–31, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 4–6, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 7–26, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 34–39, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.207, Zeile 40 bis S. 208, Zeile 5, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 6–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 12–21, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.208, Zeile 22 bis S. 209, Zeile 2, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 3–11, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 9–18, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.209, Zeile 19–23, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 1–8, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 8–10, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.210, Zeile 10–14, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 10–14, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 15–18, bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.212 Zeile 19ff., bibcode:2002HiA....12..205S (swri.edu [PDF]).
Sol Alan Stern, Harold F. Levison: Regarding the Criteria for Planethood and Proposed Planetary Classification Schemes. In: Highlights of Astronomy. 12. Auflage. Astronomical Society of the Pacific, San Francisco, CA, USA 2002, ISBN 1-58381-086-2, S.213 Zeile 6ff., bibcode:2002HiA....12..205S (swri.edu [PDF]).