TY  - BOOK
AU  - Cralley, L.J.
TI  - Patty's industrial Hygiene and toxicology: L.J. Cralley
SN  - 0-471-86137-5.
U1  - 613.6:616099, 
PY  - 1985///
CY  - New York
PB  - John Wiley
ER  -