Zyvoloski, George A.; Robinson, Bruce A.; Dash, Zora V. & Trease, Lynn L. Summary of the Models and Methods for the FEHM Application-A Finite-Element Heat- and Mass-Transfer Code, report, July 1, 1997; (https://digital.library.unt.edu/ark:/67531/metadc619272/m1/1/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .