TY  - BOOK
AU  - D.N. GUHA BAKSHI
TI  - A TEXT BOOK OF ENVIRONMENTAL SCIENCE
U1  - 614.7/GUH/TEX 
PY  - 2000///
CY  - KOLKATA
PB  - CALCUTTA BOOK HOUSE
KW  - INCIDENCE & PREVENTION OF DISEASE
KW  - MEDICAL SCIENCE
ER  -