@book{66879,
	author = {Gates, William,},
	title = {Commentary Upon the Maya-Tzental Perez Codex :},
	publisher = {Project Gutenberg,},
	year = {2008},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-06-22},
	url = {https://www.gutenberg.org/ebooks/25878}
}