TY  - BOOK
AU  - R.L Kotpal
AU  -  N.P Bali, 
TI  - Conceptsof Ecology
U1  - 574.5 
CY  - Jalandhar
PB  - Vishal Publishing Co
N1  - R.L Kotpal & N.P Bali: Conceptsof Ecology.  Jalandhar.  Vishal Publishing Co, Rs. 75--(574.5KOT)
ER  -