TY  - BOOK
ED  - American Petroleum Institute, API
TI  - API exposure classification scheme for collection of industrial hygiene monitoring data
U1  - 660.061.3 A512 4519 0001247 
PY  - 1990///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Higiene industrial
KW  - Salud ocupacional
KW  - Estadísticas laborales
ER  -