TY  - BOOK
AU  - Verma, P.S.
AU  - Pandey, B.P.
TI  - Textbook of Biology
U1  - 574 
PY  - 1992///
CY  - New Delhi
PB  - S. Chand and Company Ltd.
KW  - Life sciences
KW  - Pure Sciences
KW  - Biology
ER  -