000 00263nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a681.3.01
_bWAL
100 _aJ E
245 0 _aPrinciples of data processing
260 _aLondon
_bSir Issac
_c1968
942 _cBK
999 _c23003
_d23003