@book{22383,
	author = {Bos, L.},
	title = {Symptoms of virus diseases in plants.},
	publisher = {[Pudoc,},
	year = {1971]},
	address = {Wageningen.},
	edition = {[2. rev. ed.].},
	note = {"With indexes of names of symptoms in English, Dutch, German, French, Italian, and Spanish."}
}