1. The dynamics of granular material flow through curved chutes;Roberts;Mech. Chem. Engng Trans., Inst. Engng Aust.,1967
2. An investigation of the gravity flow of non-cohesive granular materials through discharge chutes;Roberts;Trans. A.S.M.E. J. Engng Ind.,1969
3. Mechanics of granular flow;Parlour,1971
4. Gravity flow of granular materials: analysis of particle transit time;Charlton,1972
5. Chute profile for minimum transit time in gravity flow of granular material;Chiarella;J. agric. Engng Res.,1972