000
00286nam a2200121Ia 4500
008
140317s9999 xx 000 0 und d
082
_a
363.7
100
_a
Agrawal,K.C.
245
_a
Environmental pollution.
260
_a
Bikaner
_b
Nidhi Pub.
_c
2001
300
_a
392
942
_2
ddc
_c
BK
999
_c
14833
_d
14833