TY  - BOOK
AU  - Gupta, P. K.
TI  - Methods in environmental analysis water, soil and air
SN  - 9788177543087 (hbk.)
AV  - BF353 .M48 1987
U1  - 628.5 
PY  - 2012///
CY  - New Delhi
PB  - Agrobios
KW  - Environmental analysis
N1  - Includes bibliographies and index
ER  -