TY  - BOOK
AU  - Singh, S.K
TI  - Dictionary of ecology and environment
SN  - 8171694640 (hardcover)
U1  - 628.03SIN 
PY  - 1997///
CY  - [S.l.]
PB  - Commonwealth Publishers
UR  - http://www.amazon.com/exec/obidos/ASIN/8171694640/chopaconline-20
ER  -