Spada, G.; R. Sabadini; E. Boschi (25 de enero de 1996). «Long-term rotation and mantle dynamics of the Earth, Mars, and Venus». Journal of Geophysical Research: Planets101 (E1): 2253-2266. Bibcode:1996JGR...101.2253S. ISSN2156-2202. doi:10.1029/95JE03222.
Spada, G.; R. Sabadini; E. Boschi (25 de enero de 1996). «Long-term rotation and mantle dynamics of the Earth, Mars, and Venus». Journal of Geophysical Research: Planets101 (E1): 2253-2266. Bibcode:1996JGR...101.2253S. ISSN2156-2202. doi:10.1029/95JE03222.
Spada, G.; R. Sabadini; E. Boschi (25 de enero de 1996). «Long-term rotation and mantle dynamics of the Earth, Mars, and Venus». Journal of Geophysical Research: Planets101 (E1): 2253-2266. Bibcode:1996JGR...101.2253S. ISSN2156-2202. doi:10.1029/95JE03222.