000 00310nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _a621.3802
100 _aHughes,LEC & Hollard, FW
245 0 _aElectronic engineer's refernce book
260 _bLondon:Heywood Books
_c1967
300 _a1532
942 _2ddc
999 _c77627
_d77627