@book{61453,
	author = {Robinson, Solon,},
	title = {Guano: A Treatise of Practical Information for Farmers},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-12-23},
	url = {https://www.gutenberg.org/ebooks/20168}
}