@book{82718,
	author = {Ashby, Michael F},
	title = {Materials selection in mechanical design. -- 4th ed.},
	publisher = {Elsevier},
	year = {2011},
	address = {Burlington, MA:},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/els032/98055392.html}
}