TY  - BOOK
AU  - Saxena,M.M.
TI  - Environmental analysis: water soil and air 
SN  - 8187167068
AV  - TD193 .S29 1998
U1  - 628.52 
PY  - 1998///
CY  - Bikaner
PB  - Agro Botarica
KW  - Envinonmental abuse
ER  -