TY  - BOOK
AU  - Tiwari, Vijay Kumar
TI  - Textbook of environmental studies
SN  - 978-81-8488-640-5 # 978-81-7371-540-2
U1  - 574.5 
PY  - 2009/// # 2005
CY  - Hyderabad # Mumbai
PB  - Universities Press # Himalaya Publishing House
KW  - Environmental Studies
KW  -  Environment
ER  -