000
00309nam a22001337a 4500
003
OSt
008
231124b |||||||| |||| 00| 0 eng d
082
_a
660
_b
D18I
100
_a
Das, R. K.
245
_a
Industrial Chemistry
260
_a
New Delhi
_K
Kalyani Publisher
_c
1982
300
_a
403
942
_2
ddc
_c
BK
999
_c
33864
_d
33864