TY  - BOOK
AU  - Allen,Robert W.
AU  - Ells,Michael D.
AU  - Hart,Andrew W.
TI  - Industrial hygiene
U1  - 613.6 
PY  - 1976///
CY  - Englewood Cliffs, N.J
PB  - Prentice-Hall
KW  - Industrial hygiene
N1  - Includes index
ER  -