TY  - RPRT
TI  - Oil-shale data, cores, and samples collected by the U.S. geological survey through 1989
AU  - John R. Dyni
AU  - Frances Gay
AU  - Thomas C. Michalski
PY  - 1990
UR  - https://pubs.usgs.gov/publication/70015778
ID  - 70015778
ER  -