000
00276nam a2200109Ia 4500
008
180821s9999 xx 000 0 und d
100
_a
Anjaneyulu, Y
250
_a
1st
942
_c
BK
245
_a
Introduction to environmental science
260
_a
Hyderabad
_b
BS Publications
_c
2007
700
_a
Rao, P N
999
_c
384763
_d
384763