000
00288nam a2200121Ia 4500
008
220201s2001 xx 000 0 eng d
082
_a
540
_b
AGG
100
_a
Aggarwal,O.P.
245
0
_a
Engineering chemistry
260
_a
delhi
_b
Khanna publisher
_c
2001
300
_a
1030
942
_2
ddc
999
_c
36196
_d
36196