TY  - RPRT
TI  - Occurrence of selenium in sulfides from some sedimentary rocks of the western United States
AU  - Robert G. Coleman
AU  - Maryse Delevaux
PY  - 1956
DO  - 10.3133/tei632
UR  - https://pubs.usgs.gov/publication/tei632
ID  - tei632
ER  -