TY  - RPRT
TI  - The biostratigraphy and paleoecology of the Gerster limestone (Upper Permian) in Nevada and Utah
AU  - Bruce R. Wardlaw
PY  - 1977
DO  - 10.3133/ofr77470
UR  - https://pubs.usgs.gov/publication/ofr77470
ID  - ofr77470
ER  -