TY  - BOOK
AU  - Purohit, S.S.
AU  - Q.J. Shammi, A.K. Agrawal
TI  - A Text book of Environmental Sciences
SN  - 81-88826-14-6
U1  - 577 
PY  - 2004///
CY  - Jodhpur
PB  - Student Edition
KW  - Biology
KW  - Environmental Science
ER  -