TY  - BOOK
AU  - Singh, Udai Veer
TI  - DBS handbook of ecology
U1  - 574.50202 H64D 
PY  - 2013///
CY  - New Delhi
PB  - DBS Imprints
N1  - 1594 11/07/2014 PBA174 14/07/2014 Main Budget
ER  -