Boss, Alan P.; Butler, R. Paul; Hubbard, William B.; Ianna, Philip A.; Kürster, Martin; Lissauer, Jack J.; Mayor, Michel; Meech, Karen J.; Mignard, Francois; Penny, Alan J.; Quirrenbach, Andreas; Tarter, Jill C.; Vidal-Madjar, Alfred (2007). “Working Group on Extrasolar Planets”. 《Transactions of the International Astronomical Union》 26A: 183–186. Bibcode:2007IAUTA..26..183B. doi:10.1017/S1743921306004509.
Boss, Alan P; Butler, R. Paul; Hubbard, William B; Ianna, Philip A; Kürster, Martin; Lissauer, Jack J; Mayor, Michel; Meech, Karen J; Mignard, Francois; Penny, Alan J; Quirrenbach, Andreas; Tarter, Jill C; Vidal-Madjar, Alfred (2007). “Definition of a planet”. 《Proceedings of the International Astronomical Union》 1: 183–186. Bibcode:2007IAUTA..26..183B. doi:10.1017/S1743921306004509.
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Boss, Alan P.; Butler, R. Paul; Hubbard, William B.; Ianna, Philip A.; Kürster, Martin; Lissauer, Jack J.; Mayor, Michel; Meech, Karen J.; Mignard, Francois; Penny, Alan J.; Quirrenbach, Andreas; Tarter, Jill C.; Vidal-Madjar, Alfred (2007). “Working Group on Extrasolar Planets”. 《Transactions of the International Astronomical Union》 26A: 183–186. Bibcode:2007IAUTA..26..183B. doi:10.1017/S1743921306004509.
Boss, Alan P; Butler, R. Paul; Hubbard, William B; Ianna, Philip A; Kürster, Martin; Lissauer, Jack J; Mayor, Michel; Meech, Karen J; Mignard, Francois; Penny, Alan J; Quirrenbach, Andreas; Tarter, Jill C; Vidal-Madjar, Alfred (2007). “Definition of a planet”. 《Proceedings of the International Astronomical Union》 1: 183–186. Bibcode:2007IAUTA..26..183B. doi:10.1017/S1743921306004509.