@book{80522,
	author = {Bowditch, Charles P.},
	title = {Memoranda on the Maya Calendars Used in the Books of Chilan Balam},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-05-12},
	url = {https://www.gutenberg.org/ebooks/39683}
}