000 00282nam a2200109Ia 4500
008 220201s1962 xx 000 0 eng d
100 _aDEFRANCE JOSEPH J
245 0 _aELECTRON TUBES AND SEMICONDUCTORS
260 _aU S
_bPRENTICE HALL OF INDIA
_c1962
300 _a288
942 _2ddc
999 _c89326
_d89326