TY  - BOOK
AU  - Manoharachary, C
TI  - Principles of environmental studies
SN  - 8178000695
U1  - 910.13337 P41;4 
PY  - 2004///
CY  - Hyderabad
PB  - B S Publications
KW  - Environmental geography
KW  - Environmental protection - Study and teaching
ER  -