00340    a2200109   4500020001500000082001500015100001400030245006000044260003700104300002100141650006800162  a0471850845  a621.3bSEN  aSen, P.C.  aPrinciples of electric  machines and power electronics   aNew YorkbJohn Wileyc1989g1989  axx, 603p.c24cm.  aElectrical magnetic optical communications computer engineering