TY  - BOOK
AU  - Prabu, P. C.; Udayasoorian, C. & Balasuramanian, G.
TI  - An introduction to ecology and environmental science
SN  - 978-81-906929-0-8
U1  - 301.3 Pra 
PY  - 2009///
CY  - Avinash paperbacks, New Delhi
ER  -