@book{9770,
	author = {Loper, Orla E. and Tedsen, Edga},
	title = {Direct Current Fundamentals /},
	publisher = {New York.},
	year = {Delmar Publisher. },
	address = {1991},
	edition = {4th},
	url = {http://www.amazon.com/exec/obidos/ASIN/0766809595/chopaconline-20}
}