@article {SC.4.Karlsen.2001.a,
	title = {Numerical Solution of the Polymer System by Front Tracking},
	journal = {Transp. Porous Media},
	volume = {44},
	number = {1},
	year = {2001},
	pages = {63-83},
	author = {Haugse, V. and K. H. {Karlsen} and Lie, Knut-Andreas and J. R. {Natvig}}
}
@article {SC.4.Karlsen.2001.b,
	title = {Operator Splitting Methods for Systems of Convection-Diffusion Equations: Nonlinear Error Mechanisms and Correction Strategies},
	journal = {J. Comput. Phys.},
	volume = {173},
	number = {2},
	year = {2001},
	pages = {636-663},
	author = {K. H. {Karlsen} and Lie, Knut-Andreas and J. R. {Natvig} and H. F. {Nordhaug} and H. K. {Dahle}}
}
