TY  - BOOK
AU  - P. C. JOSHI
TI  - A TEXT BOOK OF ECOLOGY AND ENVIRONMENT
SN  - 81-8318-321-2
U1  - 614.7/JOS/TEX 
PY  - 2005///
CY  - New Delhi
PB  - HIMALAYA
KW  - INCIDENCE & PREVENTION OF DISEASE
KW  - MEDICAL SCIENCE
ER  -