RT Journal Article SR Electronic(1) A1 Zhan, L. A1 C. Yortsos, Y.YR 1999 T1 Identification of the Permeability Heterogeneity of Laboratory Cores by Tracer Displacement JF , VO OP SP cp-80-00016 DO https://doi.org/10.3997/2214-4609.201406333 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201406333