Archinal, Brent A.; A'Hearn, Michael F.; Bowell, Edward L.; Conrad, Albert R. et al. (2010). «Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009». Celestial Mechanics and Dynamical Astronomy109 (2): 101-135. Bibcode:2011CeMDA.109..101A. ISSN0923-2958. S2CID189842666. doi:10.1007/s10569-010-9320-4.
Archinal, Brent A.; A'Hearn, Michael F.; Bowell, Edward L.; Conrad, Albert R. et al. (2010). «Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009». Celestial Mechanics and Dynamical Astronomy109 (2): 101-135. Bibcode:2011CeMDA.109..101A. ISSN0923-2958. S2CID189842666. doi:10.1007/s10569-010-9320-4.
Archinal, Brent A.; A'Hearn, Michael F.; Bowell, Edward L.; Conrad, Albert R. et al. (2010). «Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009». Celestial Mechanics and Dynamical Astronomy109 (2): 101-135. Bibcode:2011CeMDA.109..101A. ISSN0923-2958. S2CID189842666. doi:10.1007/s10569-010-9320-4.
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Archinal, Brent A.; A'Hearn, Michael F.; Bowell, Edward L.; Conrad, Albert R. et al. (2010). «Report of the IAU Working Group on Cartographic Coordinates and Rotational Elements: 2009». Celestial Mechanics and Dynamical Astronomy109 (2): 101-135. Bibcode:2011CeMDA.109..101A. ISSN0923-2958. S2CID189842666. doi:10.1007/s10569-010-9320-4.