<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Stanimir Valtchev</style></author><author><style face="normal" font="default" size="100%">J. Ben Klaassens</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">High Efficiency Resonant Power Conversion</style></title><secondary-title><style face="normal" font="default" size="100%">1st USSR Conference (with international participation) of Power Electronics Systems and Low?Power Converters Equipment (SES i UMPT)</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1990</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://oa.uninova.pt/2008/</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>