00269nam a2200121Ia 4500008004100000020001800041041000800059082001600067100001100083245003100094260001400125300000800139211209s2019    xx            000 0 und d  a9788123923741  aeng  a621.381 SAX  aSAXENA  aDIGITAL ELECTRONICS  (PB)   bCBSc2019  a288