106-AN grout pilot-scale test HGTP-93-0501-02, report, May 1, 1993; (https://digital.library.unt.edu/ark:/67531/metadc1319387/m1/19/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .
106-AN grout pilot-scale test HGTP-93-0501-02, report, May 1, 1993; (https://digital.library.unt.edu/ark:/67531/metadc1319387/m1/19/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .