Vermeul, Vincent R.; Fritz, Brad G.; Fruchter, Jonathan S.; Szecsody, James E. & Williams, Mark D. 100-NR-2 Apatite Treatability Test: High-Concentration Calcium-Citrate-Phosphate Solution Injection for In Situ Strontium-90 Immobilization, report, September 1, 2010; (https://digital.library.unt.edu/ark:/67531/metadc835626/m1/1/: accessed March 30, 2020), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .