@book{920,
	author = {Graham, Joseph H. and Frosheiser, Fred I.},
	title = {Compendium of alfalfa diseases},
	publisher = {American Phytopathological Society,},
	year = {1979},
	series = {Disease compendium series},
	address = {St. Paul, Minn. :},
	note = {En la 2 ed. aparece como editor Stuteville, Donald L.}
}