@book{67812,
	author = {Pope, George W.},
	title = {Determining the Age of Cattle by the Teeth},
	publisher = {Project Gutenberg,},
	year = {2008},
	series = {United States. Dept. of Agriculture. Farmers' Bulletin No. 1066},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-10-12},
	url = {https://www.gutenberg.org/ebooks/26903}
}