000 00298nam a2200121Ia 4500
008 220201s1973 xx 000 0 eng d
082 _bSAY
100 _aSay, M. G.
245 0 _aElectrical engineering refrence book
260 _aLondon
_bNewsness-butterwoths
_c1973
300 _a39
942 _2ddc
999 _c17437
_d17437