TY  - BOOK
AU  - Asthana, D.K. and Asthana, Meera
TI  - A Textbook of Environmental Studies
PY  - 2006///
CY  - New Delhi
PB  - S. Chand & Company Ltd.
KW  -  
KW  - MSc Botany
N1  - 001707
ER  -