@book{115107,
	author = {Mathews, Edward D.},
	title = {Up the Amazon and Madeira rivers, through Bolivia and Peru},
	publisher = {Project Gutenberg,},
	year = {2024},
	address = {Salt Lake City, UT :},
	note = {Release date is 2024-09-06},
	url = {https://archive.org/details/upamazonmadeirar00math}
}