TY  - BOOK
ED  - American Petroleum Institute, API
TI  - A national survey on naturally occurring radioactive material (NORM) in petroleum production and gas processing facilities: API publication 7101
U1  - 660.061.3 A512 7101 0014019 
PY  - 1997///
CY  - Washington
PB  - American Petroleum Institute, API
ER  -