@book{19388,
	author = {The American Phytophatological Society. St. Paul, Minn. and Ruppel, E. G.},
	title = {Syllabus for diseases of sugar beets (Beta vulgaris L.) (Diapositiva)},
	publisher = {American Phytophatological Society,},
	year = {1980},
	series = {Diseases of plants},
	address = {(s.l.) :},
	note = {Nota explicativa 3 p.}
}