L. Sotelo

The Grolier Codex: A Non Destructive Study of a Possible Maya Document using Imaging and Ion Beam Techniques

S. Zetina, Marie Van der Meeren, E. Arroyo, 2007 .

THE DISCOVERY OF A BEEHIVE AND THE IDENTIFICATION OF APIARIES AMONG THE ANCIENT MAYA

Wiesław Koszkul, C. Helmke, J. Źrałka, 2018, Latin American Antiquity.