000 00280nam a2200109Ia 4500
008 211209s1959 xx 000 0 und d
041 _aeng
082 _a621.381 N60 ZHA
100 _aZHAR P B
245 _aINDUSTRIAL ELECTRONICS
260 _aNEW YORK
_bMCGRAW-HILL BOOK COMPANY
_c1959
999 _c4419
_d4419