@book{32447,
	author = {Riches, B. E.},
	title = {Electric circuit theory /},
	publisher = {A. Hilger ;},
	year = {c1989.},
	series = {A Computer illustrated text},
	address = {Bristol ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0745/88034748-d.html}
}