TY  - BOOK
AU  - Chhatwal, G. R. 
AU  - [et al.]
TI  - Encyclopedia of environmental pollution and its control: vol. vi, environmental analysis
SN  - 9788170412496
U1  - 363.73 
PY  - 1989///
CY  - New Delhi
PB  - Anmol
KW  - Encyclopedia
KW  - Environmental Problems and Services
N1  - Included 6 vols. <Air Pollution><Water Pollution><Ecology><Soil Pollution> 1993-06-10
ER  -