000 00282nam a2200109Ia 4500
008 220201s1995 xx 000 0 eng d
082 _a621.75
_bUPA
100 _aupadhyay Shiv dutt
245 0 _aWorkshop technology
260 _aDelhi
_bStanderd Publishing house
_c1995
942 _2ddc
999 _c26539
_d26539