@Article{Davis1993, author = {Robert H. Davis and Howard A. Stone}, title = {Flow through beds of porous particles}, journal = {Chem. Eng. Sci.}, year = {1993}, volume = {48}, number = {23}, pages = {3993--4005}, month = jan, doi = {10.1016/0009-2509(93)80378-4}, publisher = {Elsevier {BV}} }