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Carr, M.H., 1996: Water on Mars, Oxford Univ. Press, 229pp.

Hess, S.L., Ryan, J.A., Tillman, J.E., Henry, R.M. and Leovy, C.B., 1980: The annual cycle of pressure on Mars measured at Viking 1 and 2. Geophys. Res. Lett., 7, 197-200.

Leovy, C.B., 1979: Martian Meteorology, Ann. Rev. Astron. Astrophys., 17, 387-413.

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