TY  - RPRT
TI  - Geology: Physics of fragmental debris
AU  - E.M. Shoemaker
AU  - E. C. Morris
PY  - 1970
DO  - 10.1016/0019-1035(70)90072-2
UR  - https://pubs.usgs.gov/publication/70010120
ID  - 70010120
ER  -