@book{550664,
	author = {Loftin, M. Kent.},
	title = {Standard handbook for civil engineers /},
	publisher = {McGraw-Hill,},
	year = {c1995.},
	address = {New York ;},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/mh022/95011425.html}
}