000 00288nam a2200109Ia 4500
008 220603s9999 xx 000 0 und d
082 _a621.3
_bE1
100 _aLaughton, M.A.
245 0 _aElectrical Engineer'S Reference Book..
260 _aLondon, Butterworths
_c1985
942 _cBook
999 _c1888032
_d1888028