@article {Valtchev1990,
	title = {Efficient Resonant Power Conversion},
	journal = {IEEE Transactions on Industrial Electronics},
	volume = {37},
	number = {6},
	year = {1990},
	note = {n/a},
	pages = {490-495},
	abstract = {n/a},
	author = {SS Valtchev and JB Klaassens}
}
