TY  - GEN
AU  - Gupta, P.K.
TI  - Methods in environmental analysis: water, soil and air
SN  - 8177540556
U1  - 577.5 
PY  - 2001///
CY  - India
PB  - Agrobios
KW  - Ecology and miscellaneous envirnments
KW  - Ecology
ER  -