BibTex format
@article{LaForce:2007:10.1007/s11242-007-9120-9,
author = {LaForce, T and Jessen, K and Orr, FM},
doi = {10.1007/s11242-007-9120-9},
journal = {Transport in Porous Media},
title = {Four-Component Gas/Water/Oil Displacements in One Dimension: Part I, Structure of the Conservation Law},
url = {http://dx.doi.org/10.1007/s11242-007-9120-9},
volume = {not assigned},
year = {2007}
}