Phillips, Mark Edward; Krahmer, Ana; Tarver, Hannah; Alemneh, Daniel Gelaw & Waugh, Laura. Appendix B: Formal Statement of Conformance to ISO 14721:2012, text, October 2015; (https://digital.library.unt.edu/ark:/67531/metadc1040535/m1/1/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .