000
00248nam a2200109Ia 4500
008
220201s2001 xx 000 0 eng d
100
_a
GHOSAL, S.K.
245
0
_a
CHEMICAL ENGGINEERING
260
_a
DELHI
_b
TMH
_c
2001
300
_a
565
942
_2
ddc
999
_c
68349
_d
68349