TY  - BOOK
AU  - Saxena, M.M.
TI  - Environmental analysis: water, soil and air 
SN  - 8187167068
U1  - 628.161 
PY  - 1998///
CY  - Bikaner, India
PB  -  Argo Botanical Publishers, 
KW  - Water
KW  -  Analysis
ER  -