000 00301nam a2200121Ia 4500
008 220201s1952 xx 000 0 eng d
082 _a621.38
_bCOT
100 _aCotton & Golding
245 0 _aFoundation of electronical engineering
260 _aLondon
_bPitman
_c1952
300 _a388
942 _2ddc
999 _c12128
_d12128