TY - RPRT TI - Physics-Informed Neural Network Method for Forward and Backward Advection-Dispersion Equations AU - He, Qizhi AU - Tartakovsky, Alexandre M. PY - 2021 DO - 10.1029/2020wr029479 UR - https://www.osti.gov/biblio/1811960 ID - 1811960 ER -