@inbook {62095,
	title = {Influence of relative density and clay fraction on soils collapse},
	booktitle = {Experimental Unsaturated Soil Mechanics},
	year = {2007},
	month = {2007},
	pages = {3-9},
	publisher = {Springer},
	organization = {Springer},
	author = {Abbeche, Khelifa and Hammoud, Farid and Ayadat, Tahar}
}
