@book{34747,
	author = {Craig, Roy R., and Kurdila, Andrew},
	title = {Fundamentals of structural dynamics /},
	publisher = {John Wiley,},
	year = {c2006},
	address = {Hoboken, NJ :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0653/2005043679-t.html}
}