000
00261nam a2200121Ia 4500
041
_a
EN
082
_a
500
_b
KOT
100
_a
Kotpal, R.L .
245
0
_a
Concepts of Ecology / R.L.Kotpal.
260
_b
Punjab : Vishal ,
_c
1989
300
_a
264
942
_c
BK
999
_c
21260
_d
21260