TY  - BOOK
AU  - Gupta,P.K, x
AU  - x
TI  - Methods in environmental analysis water, soil air: x
SN  - 8177540556 
U1  - 628/G975m 
PY  - 2005///
CY  - Jodhpur
PB  - Agrobios
KW  - Environmental engineering
KW  - Environment
ER  -