@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}}
}