Long Count in function of the Haab' and its Venus-Moon relation: application in Chichén Itzá Geraldine Ann Patrick Encina

https://www.academia.edu/84348650/Long_Count_in_function_of_the_Haab_and_its_Venus_Moon_relation_application_in_Chich%C3%A9n_Itz%C3%A1