1. Fluid flow through granular beds;Carman;Trans. Inst. Chem. Eng.,1937
2. Fluid flow through packed columns;Ergun;Chem. Eng. Prog.,1952
3. Flow of gases through porous media;Carman,1956
4. Characterization of voids in spherical particles systems by Delaunay empty spheres;Remond,2006
5. B.N. Delaunay, 'Sur la sphere Vide', Proceedings of the International Mathematical Congress in Toronto, Toronto (University of Toronto Press, Toronto, 1928), p. 695, 1924.