000
00267nam a2200109Ia 4500
008
220201s1993 xx 000 0 eng d
100
_a
DHYANI, S N
245
0
_a
MANAGEMENT OF ENVIRONMENTAL HAZARDS
260
_a
DELHI
_b
INDIA PUB
_c
1993
300
_a
318
942
_2
ddc
999
_c
60049
_d
60049