TY  - RPRT
TI  - Geology: Fragmental debris
AU  - E. C. Morris
AU  - E.M. Shoemaker
PY  - 1970
DO  - 10.1016/0019-1035(70)90071-0
UR  - https://pubs.usgs.gov/publication/70009943
ID  - 70009943
ER  -