TY  - BOOK
AU  - Chapman, Clark R.
AU  - Sagan,Carl
AU  - Pollack,James B.
TI  - An analysis of the mariner 4 photography of Mars: by..., James B. Pollack and Carl Sagan
AV  - TL796 A1 S6 no. 268 
PY  - 1968///
CY  - Cambridge, Mass.
PB  - Smithsonian Institution
KW  - Mars (Planet)
ER  -