@book{21640,
	author = {Vermeer, P.A., ed. and Diebels, S., ed.},
	title = {Continuous and Discontinuous Modelling of Cohesive-Frictional Materials},
	publisher = {Springer Berlin Heidelberg},
	year = {2001},
	series = {Lecture Notes in Physics},
	address = {Heidelberg, Berlin},
	url = {http://doi.org/10.1007/3-540-44424-6}
}