Moore, Jeffrey M.; Chapman, Clark R.; Bierhaus, Edward B. et al. (2004). "Callisto". Jupiter: The planet, Satellites and Magnetosphere. Ed. Bagenal, F.; Dowling, T.E.; McKinnon, W.B.. Cambridge University Press."காப்பகப்படுத்தப்பட்ட நகல்"(PDF). Archived from the original(PDF) on 2009-03-27. Retrieved 2012-04-01.
doi.org
dx.doi.org
Anderson, J. D.; Jacobson, R. A.; McElrath, T. P.; et al. (2001). "Shape, mean radius, gravity field and interior structure of Callisto". Icarus153 (1): 157–161. doi:10.1006/icar.2001.6664. Bibcode: 2001Icar..153..157A.
Anderson, J. D.; Jacobson, R. A.; McElrath, T. P.; et al. (2001). "Shape, mean radius, gravity field and interior structure of Callisto". Icarus153 (1): 157–161. doi:10.1006/icar.2001.6664. Bibcode: 2001Icar..153..157A.
Moore, Jeffrey M.; Chapman, Clark R.; Bierhaus, Edward B. et al. (2004). "Callisto". Jupiter: The planet, Satellites and Magnetosphere. Ed. Bagenal, F.; Dowling, T.E.; McKinnon, W.B.. Cambridge University Press."காப்பகப்படுத்தப்பட்ட நகல்"(PDF). Archived from the original(PDF) on 2009-03-27. Retrieved 2012-04-01.