TY  - BOOK
AU  - Saxena H M
TI  - Environmental studies
SN  - 8170339936
U1  - U:(G:55), P6 
PY  - 2006///
CY  - Jaipur
PB  - Rawat Publications         
KW  - Geography
N1  - Bibliography P 227-229; Glossary P 215-226
ER  -