@book{53273,
	author = {Shen, Hui-Shen},
	title = {Functionally graded materials :},
	publisher = {CRC Press,},
	year = {c2009},
	address = {Boca Raton :},
	url = {http://www.loc.gov/catdir/toc/ecip0826/2008036386.html}
}