TY  - GEN
AU  - Jat,B.C.
AU  - Mathur,Sujata
TI  - Enivronmental studies
SN  - 8190422901
U1  - 375.0083 
PY  - 2007///
CY  - Jaipur
PB  - Agarwal Publishing House
N1  - Includes  bibliographical refrences
ER  -