@book{1108,
	author = {Warnes, L. A. A.},
	title = {Solutions to Problems Electronic and Electrical Engineering : principles and practice},
	publisher = { Macmillan Press},
	year = {1994.},
	address = {London},
	url = {http://www.amazon.com/exec/obidos/ASIN/0333638034/chopaconline-20}
}