@book{12522,
	author = {United States. and Gulich, Ashley R.,},
	title = {Egg grading manual.},
	publisher = {[U.S. Govt. Print. Off.,},
	year = {1968]},
	series = {Agriculture handbook no. 75},
	address = {Washington},
	edition = {[Rev.]},
	note = {Cover title.}
}