@book{7424,
	author = {Sturtevant, E. Lewis and Sturtevant, Joseph N.,},
	title = {The dairy cow.},
	publisher = {A. Williams and company,},
	year = {1875.},
	address = {Boston,},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00028263211}
}