Bíró, Péter, Barbara MacLeod, y Michael Grofe. 2020. «Hidden in Plain Sight: The Codical Sign T648 and Its Forerunner T694 in Three Classic Period Contexts». Estudios De Cultura Maya 55 (enero). México, Mexico:121-50. https://doi.org/10.19130/iifl.ecm.2020.55.1017.