TY  - RPRT
TI  - Martian channels and valleys: Their characteristics, distribution, and age
AU  - M. H. Carr
AU  - G.D. Clow
PY  - 1981
DO  - 10.1016/0019-1035(81)90156-1
UR  - https://pubs.usgs.gov/publication/70012119
ID  - 70012119
ER  -