TY  - BOOK
AU  - Kumar, Anil & Kumar Amab 
TI  - Environmental Studies 
SN  - 978-81-224-2617-5
U1  - 540.2 
PY  - 2006///
CY  - New Age, New Delhi 
PB  - New Age, New Delhi 
KW  - ENVIROMENTAL
ER  -