00306nam a2200121Ia 4500008004100000041001200041082001600053100001800069245005200087260002900139300000800168650000800176221030s9999    xx            000 0 und d  aEnglish  a105.23bCar  aA. J. Caristi 0aElectronic Telephone Projectscby A. J. Caristi  bBPB PubaNew Delhic1989  a244  aECE