@book{16693,
	author = {Knappett, Jonathan. and Craig, R. F.},
	title = {Craig's soil mechanics /},
	publisher = {Spon Press,},
	year = {2012.},
	address = {Abingdon, Oxon ;},
	edition = {8th ed.},
	note = {Previous ed. under : Soil mechanics / R.F. Craig.}
}