@article{Kim_2005 author = {Ki Hyun Kim and Jae Min Hyun and Jae Won Kim}, title = {Transient Buoyant Convection in a Porous-Medium Enclosure by Sudden Imposition of Gravity}, journal = {Journal of Porous Media}, issn = {1091-028X}, year = {2005}, volume = {8}, number = {3}, pages = {311--326} }