000 00404nam a2200145Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aReich, Herbert J
245 0 _aTheory and applications of electron tubes
250 _a2
260 _bMCGRAW-HILL BOOK COMPANY, INC.
_aNEW YORK
_c1944
300 _aXIX,713P p.
653 _aENGINEERING
942 _c1
999 _c35599
_d35599