@book{4987,
	author = {Sanglerat, Guy,},
	title = {The penetrometer and soil exploration. :},
	publisher = {Elsevier Pub. Co.,},
	year = {1979.[Impression 1982]},
	series = {Developments in geotechnical engineering, |v v. 1},
	address = {Amsterdam ;},
	edition = {2nd enlarged ed. }
}