@book{643,
	author = {Pressman, Abraham I},
	title = {Switching Power Supply Design /},
	publisher = {McGraw-Hill Education (ISE Editions),},
	year = {1992.},
	series = {Nine.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071129111/chopaconline-20}
}