000 00271nam a2200109Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a621.39 N80 GOT
100 _aGOTHMANN W H
245 _aDIGITAL ELECTRONICS
260 _bPRACTICE-HALL PVT. LTD.
_c1980
999 _c17080
_d17080