TY  - BOOK
AU  - Saxena,M.M., x
AU  - x
TI  - Environmental analysis: Water, soil and air
SN  - 8185031366
U1  - 553.7/S272e 
PY  - 1990///
CY  - India
PB  - Agro Botanical Pub.
KW  - Environment
KW  - Water
N1  - x
ER  -