TY  - BOOK
AU  - PANI (Balram)
TI  - Textbook of environmental chemistry
SN  - 978-81-89866-36-5
U1  - 363.73 PANT 
PY  - 2012///
CY  - New Delhi
PB  - I K International Publishing House
KW  - Environmental Problems
KW  - Social Problems
ER  -