000 00278nam a2200121Ia 4500
008 220201s1982 xx 000 0 eng d
082 _a621.9
_bDAS
100 _aDas,BR
245 0 _aITI workshop calculation
260 _bKhanna publisher
_c1982
300 _a322
942 _2ddc
999 _c83158
_d83158