000
00297nam a2200121Ia 4500
008
220201s1992 xx 000 0 eng d
082
_a
540
_b
UPP
100
_a
Uppal, M M
245
0
_a
Text book of engineering chimestry
260
_a
Delhi- 6
_b
Khananties
_c
1992
300
_a
580+80
942
_2
ddc
999
_c
26249
_d
26249