TY - RPRT TI - A mass-transfer particle-tracking method for simulating transport with discontinuous diffusion coefficients AU - Schmidt, Michael J. AU - Engdahl, Nicholas B. AU - Pankavich, Stephen D. AU - Bolster, Diogo PY - 2020 DO - 10.1016/j.advwatres.2020.103577 UR - https://www.osti.gov/biblio/1803575 ID - 1803575 ER -