@book{546331,
	author = {Powrie, William.},
	title = {Soil mechanics :},
	publisher = {E & FN Spon,},
	year = {1997.},
	address = {London ;},
	edition = {1st ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0909/96070577-d.html}
}