1. How the Maya built their world: energetics and ancient architecture;Abrams,1994
2. Thinking about inequality: personal judgment and income distributions;Amiel,1999
3. Lowland Maya settlement patterns;Ashmore,1981
4. Site-planning principles and concepts of directionality among the ancient Maya;Ashmore;Lat. Am. Antiq.,1991
5. A historical introduction to the study of lowland Maya settlement patterns;Ashmore,1981