1. Fluid flow through packed columns;Ergun;Chem. Eng. Prog.,1952
2. Fluid flow through granular beds;Carman;Trans. Inst. Chem. Eng.,1937
3. Über kapillare Leitung des Wassers im Boden;Kozeny;Akad. Wiss.Wien.,1927
4. Gas flow through packed columns 1;Burke;Ind. Eng. Chem.,1928
5. The resistance of packing to fluid flow;Blake;Trans. Am. Inst. Chem. Eng.,1922