000
00254nam a2200109Ia 4500
008
220201s1994 xx 000 0 eng d
100
_a
Jain etc.
245
0
_a
Engineering chemistry
260
_b
Dhanpat Rai & Sons
_c
1994
300
_a
1008
942
_2
ddc
999
_c
85455
_d
85455