TY  - RPRT
TI  - Mars, highlands-lowlands: Viking contributions to mariner relative age studies
AU  - D. H. Scott
PY  - 1978
DO  - 10.1016/0019-1035(78)90039-8
UR  - https://pubs.usgs.gov/publication/70012571
ID  - 70012571
ER  -