@book{206285,
	author = {Rosen, H.R. and Weetman, L.M.},
	title = {Longevity of urediospores of crown rust of oats  /},
	publisher = { University of Arkansas. Agricultural Experiment Station},
	address = {Fayetteville, Ark. :},
	note = {Encuadernado con otros impresos similares}
}