000
00241nam a2200109Ia 4500
008
220201s1970 xx 000 0 eng d
100
_a
Raman, MVV
245
0
_a
Waste control
260
_b
New Delhi: NPC
_c
1970
300
_a
34
942
_2
ddc
999
_c
77694
_d
77694