(2023) Early Maya Settlements and Ceramics on the Northern Plains and the Puuc Region of Yucatan: The Early Middle Preclassic Ek Complex E. Wyllys Andrews V 2023, E. Wyllys Andrews V and George J. Bey III. In Pre-Mamom Pottery Variation and the Preclassic Origins of the Lowland Maya, edited by Debra S. Walker, pp. 369–407 University Press of Colorado, Boulder.

https://www.academia.edu/110248343/_2023_Early_Maya_Settlements_and_Ceramics_on_the_Northern_Plains_and_the_Puuc_Region_of_Yucatan_The_Early_Middle_Preclassic_Ek_Complex?rhid=29672555505&swp=rr-rw-wc-83915545