Unearthing the Heavens: Classic Maya Murals and Astronomical Tables at Xultun, Guatemala (with Joel Skidmore) Marc Zender 2012, Mesoweb Reports & News (2012)

https://www.academia.edu/3678476/Unearthing_the_Heavens_Classic_Maya_Murals_and_Astronomical_Tables_at_Xultun_Guatemala_with_Joel_Skidmore_?rhid=29698893088&swp=rr-rw-wc-2645762