TY  - GEN
AU  - 
AU  - Liptak, Bela G., ed.
TI  - Environmental engineers handbook
SN  - 0801956927
PY  - 1974///
CY  - Pennsylvania
PB  - Chilton Book Company
KW  - Soil Pollution
KW  - Air Pollution
N1  - Vol. II : Air pollution
ER  -