@inproceedings{Kirsch2015, author = {Ansgar Kirsch}, title = {Experimental investigations of face stability of shallow tunnels in sand}, booktitle = {W(H)YDOC 08 : International Workshop of Young Doctors in Geomechanics : Champs-sur-Marne, Nov. 19 - 21 2008}, pages = {61 -- 64}, year = {2015}, }