TY  - BOOK
AU  - Srivastava,A.K., x
AU  - x
TI  - Air pollution (Biopollutants in air): x
SN  - 8170244196
U1  - 628.5/S774a 
PY  - 1991///
CY  - New Delhi
PB  - Ashish pub.
KW  - Air - Pollution
N1  - Includes
ER  -