1. The dynamics of flowing sand;Behringer;Nonlinear Science Today,1993
2. Pattern formation, complexity & time-dependence in granular flows;Behringer,1993
3. Stress fluctuations for sheared 3D granular materials;Behringer,1997
4. Fluctuations in granular flows;Behringer;Chaos,1999
5. Stability properties of shallow granular flows;Berezin;International Journal of NonLinear Mechanics,1998