TY  - BOOK
AU  - Saxena, M M 
TI  - Environmental analysis : : water, soil and air 
SN  - 8185031363
U1  - 333.7 
PY  - 1990///
CY  -  	Bikaner, India : 
PB  - Argo Botanical Publishers, 
KW  - Water
KW  - Soils
KW  -   Air
KW  - Analysis
ER  -