@book{24272,
	author = {Karnopp, Dean. and Margolis, Donald L.},
	title = {System dynamics },
	publisher = {John Wiley },
	year = {2000.},
	address = {New York },
	edition = {3a ed.},
	url = {http://www.loc.gov/catdir/description/wiley032/99016022.html}
}