TY  - BOOK
AU  - Agarwal,S K  .
TI  - Pollution ecology / 
SN  - 8185167281
U1  - 577.27 
PY  - 1991///
CY  - New Delhi : 
PB  - Himanshu Publications , 
KW  - POLLUTION ECOLOGY
N1  - Includes bibliographical references and index
ER  -