@article{marconi00, title = {Janssen's law and stress fluctuations in confined dry granular materials}, author = {U. Marini Bettolo Marconi and A. Petri and A. Vulpiani}, journal = {Physica A}, pages = {279-288}, volume = {280}, year = {2000}, biburl = {http://www.bibsonomy.org/bibtex/28b15f0cb55230cd19ceae4c6283db5d2/alpe}, keywords = {granular shearbib } }