TY  - RPRT
TI  - Petrology of some lithic fragments from Luna 20
AU  - E. Roedder
AU  - P.W. Weiblen
PY  - 1973
DO  - 10.1016/0016-7037(73)90198-1
UR  - https://pubs.usgs.gov/publication/70010124
ID  - 70010124
ER  -