@book{35322,
	author = {International UDEC/3DEC Symposium: Numerical Modeling of Discrete Materials in Geotechnical Engineering, Civil Engineering, and Earth Sciences (1st 2004:Bochum, Germany) and Konietzky, Heinz},
	title = {Numerical modeling of discrete materials in geotechnical engineering, civil engineering, and earth sciences :},
	publisher = {A. A. Balkema,},
	year = { 2004},
	address = {London:}
}