@conference {OA2004,
	title = {Experimental Results of the MOS Transistor Series Resonant Energy Converter Exploration},
	booktitle = {The Day of the Radio Conference},
	year = {1988},
	month = {May},
	url = {http://oa.uninova.pt/2004/},
	author = {Stanimir Valtchev and Georgi Krustev}
}
