milieu granulaire
1992 / Instabilities in a sandpile / Sidney R. Nagel / Reviews of Modern Physics 64 (1992) p. 321 [doi]
1996 / Granular solids, liquids, and gases / Heinrich M. Jaeger ; Sidney R. Nagel ; Robert P. Behringer / Reviews of Modern Physics 68 (1996) p. 1259 [doi]