TY  - RPRT
TI  - Uraniferous coal and carbonaceous shale in northeast Parana, Brazil
AU  - Donald D. Haynes
AU  - Charles T. Pierson
PY  - 1957
DO  - 10.3133/tem1097
UR  - https://pubs.usgs.gov/publication/tem1097
ID  - tem1097
ER  -