TY  - BOOK
AU  - Purohit, S S Shammi, Q J Agrawal, A K
TI  - Environmental sciences : a new approach
SN  - 81-7754-210-9
U1  - 628.5  PUR;1  R 
PY  - 2004///
CY  - Jodhpur
PB  - Agrobios
KW  - Environmental,sciences
ER  -