@book{27033,
	author = {International Conference on Numerical Methods in Geomechanics (3rd : 1979 ) and Wittke, W.},
	title = {Numerical Methods In Geomechanics, Aachen, 1979 : Volume 4 /},
	publisher = { A. A. Balkema, },
	year = {1979},
	address = {Rotterdam :},
	note = {"Proceedings of the third International Conference on Numerical Methods in Geomechanics, Aachen, 2-6 April, 1979."}
}