TY  - BOOK
AU  - Cralley Lews J
AU  - Lester V Cralley
TI  - Patty's industrial hygiene and toxicology 
SN  - 0471823333
U1  - 571.95 
PY  - 1985///
CY  - Chichester 
PB  - John wiley and sons
KW  - Induatrial toxicology
KW  - Induatrial hygiene
KW  - Health nurcing
ER  -