@book{28578,
	author = {Craig, R. F. and Craig, R. F.},
	title = {Craig's soil mechanics /},
	publisher = {Spon Press,},
	year = {2004},
	address = {London ;},
	edition = {7th ed.},
	note = {Second ed.: Soil mechanics / R.F. Craig. Van Nostrand Reinhold, 1978}
}