@article{duran_arching_1993, title = {Arching effect model for particle size segregation}, volume = {70}, url = {http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.70.2431}, number = {16}, urldate = {2015-05-11TZ}, journal = {Physical Review Letters}, author = {Duran, J. and Rajchenbach, J. and Clément, E.}, year = {1993}, pages = {2431} }