Lawrence Berkeley National Laboratory Recent Work Title On the propagation of a disturbance in a smoothly varying heterogeneous porous medium saturated with three fluid phases Permalink https://escholarship.org/uc/item/3sm7f5tv Journal Geophysics, 78(2) ISSN 0016-8033 Author Vasco, DW Publication Date 2013 DOI 10.1190/GEO2012-0160.1 Peer reviewed eScholarship.org Powered by the California Digital Library University of California