000 00261nam a2200109Ia 4500
008 160710s1947 xx 000 0 und d
100 _aRYDER,J.D
245 _aELECTRONIC ENGINEERING PRINCIPLES
260 _bPRENTICE HALL
_c1947
300 _a397
942 _2ddc
_cB
999 _c7760
_d7760