TY  - BOOK
AU  - PUROHIT, S K
TI  - Chemical and Biological Methods of Water and Air Pollution Control
U1  - D854:(E) 
PY  - 1985///
CY  - NEW DELHI
PB  - AGRO BOTANICAL PUBLISHERS (INDIA)
KW  - CHEMICAL AND BIOLOGICAL METHODS OF WATER AND AIR POLLUTION CONTROL
ER  -