@book{19344,
	author = {The American Phytophatological Society. St. Paul, Minn.},
	title = {Apple scab (Diapositiva)},
	publisher = {Cornell University,},
	year = {(s.a.)},
	series = {Plant disease profiles ser. 1},
	address = {Ithaca :},
	note = {Tambien en CD 4 3/4 plgs.}
}