1. Mariner 9 observations of the Mars north polar hood;Briggs;Bull. Amer. Met. Soc.,1974
2. Implications of condensation of carbon dioxide in the atmosphere of Mars;Hess;J. Atm. Sci.,1970
3. Mars 5 surface and atmosphere of the red planet;Ksanfomaliti;Zemlya-I-Vsalennaya,1974