TY  - RPRT
TI  - Limited-interval definitions of the photometric functions of lunar crater walls by photography from orbiting Apollo
AU  - R.L. Wildey
PY  - 1971
DO  - 10.1016/0019-1035(71)90038-8
UR  - https://pubs.usgs.gov/publication/70010027
ID  - 70010027
ER  -