Mart¡n, Frederick.
A dresden codex eclipse sequence : Projections for the years 1970-1992. - Washington, DC-US : Society for American Archaeology, 1993. - p. 74-93 : il - trimestral - Vol.4, no.1(Mar.1993) - Latin American Antiquity ; vol.4,no.1 . - Estados Unidos. Society for American Archaeology. .
Ariculo dentro de Report.
A dresden codex eclipse sequence : Projections for the years 1970-1992. - Washington, DC-US : Society for American Archaeology, 1993. - p. 74-93 : il - trimestral - Vol.4, no.1(Mar.1993) - Latin American Antiquity ; vol.4,no.1 . - Estados Unidos. Society for American Archaeology. .
Ariculo dentro de Report.