000
00311nam a22001337a 4500
020
_a
NA
082
_2
22
_a
577
100
_a
Rana, S. V. S.
245
_a
Essentials of ecology and enivronmental science /
250
_a
2nd ed.
260
_b
Prentice Hall,
_c
c2005.
300
_a
0
_b
ill.
942
_2
ddc
_c
CIVIL
_0
3
999
_c
4281
_d
4281