000 00255nam a2200109Ia 4500
008 160710s1967 xx 000 0 und d
100 _aRYDER,J.D.
245 _aENGG. ELECTRONICS
260 _aLONDON
_bMCGRAW HILL
_c1967
300 _a290
942 _2ddc
_cBB
999 _c71962
_d71962