TY  - RPRT
TI  - The martian hemispheric dichotomy may be due to a giant impact
AU  - D.E. Wilhelms
AU  - S. W. Squyres
PY  - 1984
DO  - 10.1038/309138a0
UR  - https://pubs.usgs.gov/publication/70013630
ID  - 70013630
ER  -