000 00333nam a2200133Ia 4500
008 211228s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSonde, B S
245 0 _aData converters
260 _bTata Mc-Graw Hill
_aNewDelhi
_c1979
300 _ax,140 p.
653 _aData
942 _c1
999 _c199146
_d199146