1. Arbogast, T.: Analysis of a two-scale, locally conservative subgrid upscaling for elliptic problems. SIAM J. Numer. Anal. 42, 576–598 (2004)
2. Arbogast, T., Minkoff, S., Keenan, P.: An operator-based approach to upscaling the pressure equation. Computational Methods in Water Resources XII: Computational Mechanics Publications. In: Burganos, V., Karatzas, G., Payatakes, A., Brebbia, C., Gray, W., Pinder, G. (eds.), pp. 405-412 (1998)
3. Berenger, J.P.: A perfectly matched layer for the absorption of electro-magnetic waves. J. Comput. Phys. 114, 185–200 (1994)
4. Bermdez, A., Hervella-Nieto, L., Prieto, A., Rodriguez, R.: An optimal finite-element/PML method for the simulation of acoustic wave propagation phenomena. In: Taroco, E., et al. (eds.) Variational Formulation in Mechanics: Theory and Applications, pp. 43–54 (2007)
5. Christie, M.: Upscaling for reservoir simulation. J. Pet. Technol. 48, 1004–1010 (1996)