000 00461nam a2200181Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aTK7872.V3.A42
100 _aAlvarez, E. C.
245 0 _aIntroduction to electron tubes and semiconductors
260 _aNew York
260 _bMcGraw-Hill Book Company
260 _c1965
300 _ax,294p.
300 _c24cm.
942 _2Library of Congress Classification
942 _cBook
999 _c81406
_d81406