TY  - GEN
AU  - Henderson,J S
AU  - Fitchett,A G
AU  - Malmstrom,V H
TI  - Origin of the 260-day cycle in mesoamerica
SN  - 0036-8075
PY  - 2010///0702
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1126/science.185.4150.542
ER  -