TY  - GEN
AU  - 
AU  - Swarup, R., ed.
TI  - Encyclopaedia of ecology, environment & pollution control
PY  - 1992///
CY  - New Delhi
PB  - Mittal Publications
KW  - Ecology
KW  - Environment
KW  - Pollution Control
N1  - Vol. 9 : Sources & characterization of pollution
ER  -