000 00281nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a621.3 E68
100 _aERICKSON,W.H
245 0 _aELECTRICAL ENGINEERING
260 _bWILEY, NEW YORK
_c1959
300 _a23X15
942 _cBK
999 _c61185
_d61185