1. I. Aavatsmark, T. Barkve, Ø. Bøe, T. Mannseth: Discretization on non-orthogonal, curvilinear grids for multi-phase flow. Proc. 4th European Conference on the Mathematics of Oil Recovery, vol. D, Roros 1994, 17 pp.
2. I. Aavatsmark, T. Barkve, Ø. Bøe, T. Mannseth: Discretization on non-orthogonal, quadrilateral grids for inhomogeneous, anisotropic media. J. Comput. Phys. 127 (1996), 2–14.
3. I. Aavatsmark, T. Barkve, Ø. Bøe, T. Mannseth: Discretization on unstructured grids for inhomogeneous, anisotropic media. Part I: Derivation of the methods. To appear in SIAM J. Sci. Comput.
4. I. Aavatsmark, T. Barkve, Ø. Bøe, T. Mannseth: Discretization on unstructured grids for inhomogeneous, anisotropic media. Part II: Discussion and numerical results. To appear in SIAM J. Sci. Comput.
5. I. Aavatsmark, T. Barkve, Ø. Bøe, T. Mannseth: A class of discretization methods for structured and unstructured grids in anisotropic, inhomogeneous media. Proc. 5th European Conference on the Mathematics of Oil Recovery, Leoben 1996, edited by Z.E. Heinemann and M. Kriebernegg, pp. 157–166.