TY  - BOOK
AU  - Lakshmi,Swarajya
TI  - Environmental science: a practical manual 
SN  - 9788178002286 (pbk.)
U1  - 550 22
PY  - 2010///
CY  - Hyderabad
PB  - B.S. Pub.
KW  - Environmental sciences
N1  - References : p. 133
ER  -