00431nam a2200169Ia 4500008004000000041000800040082001100048100002500059245004800084260004000132300001100172650001100183650001300194650001700207650001500224700002200239210210b1957   xxu||||| |||| 00| 0 eng d  aeng  a535/31  aERICKSON (William H)  aElectrical engineering: theory and practice  aNew YorkbJohn Wiley and Sonsc1957  axi,523  atheory  apractice  aengineering:  aElectrical  aBRYANT (Nelson H)