TY  - RPRT
TI  - Topographic maps of the polar, western, and eastern regions of Mars
AU  - B.M. Jaovsky
AU  - Conway Snyder
AU  - M.S. Matthews
AU  - Tom Gehrels
PY  - 1991
DO  - 10.3133/i2160
UR  - https://pubs.usgs.gov/publication/i2160
ID  - i2160
ER  -