TY  - SER
AU  -  Thomas, Cyrus, 
TI  -  Day Symbols of the Maya Year : :  
AV  - E011 
PY  - 2006///
PB  -  Project Gutenberg, 
KW  -  Maya calendar
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/18973
ER  -