000
00270nam a2200109Ia 4500
008
220201s2006 xx 000 0 eng d
100
_a
SUD, DHIRAJ
245
0
_a
COMPREHENSIVE ENGINEERING CHEMISTRY
260
_a
DELHI
_b
S.K. KATARIA
_c
2006
300
_a
419
942
_2
ddc
999
_c
68774
_d
68774