Zralka, J., Koszkul, W., Radnicka, K., Sotelo Santos, L.E. y Hermes, B. 2016. Excavations in Nakum Structure 99: New Data on Protoclassic Rituals and Precolumbian Maya Beekeeping. Estudios de Cultura Maya. 44, 2014 (mar. 2016), 85-117. DOI:https://doi.org/10.19130/iifl.ecm.2014.44.790.