1. Fluid flow through packed columns;Ergun;Chem. Eng. Prog.,1952
2. Fluid flow through packed and fluidized systems;Leva;Bureau Mines Bull.,1951
3. Fluid flow through packed beds;Carman;Trans. IChemE,1937
4. Gas flow through packed columns;Burke;Ind. Eng. Chem.,1928
5. Pressured drop through packed tubes;Leva;Chem. Eng. Prog.,1947