@book{206546,
	author = {Bos, L. and Research Institute for Plant Protectional (Netherlands)},
	title = {Symptoms of virus diseases in plants  /},
	address = {Wageningen Research Institute for Plant Protection},
	edition = {3},
	note = {Con índices de nombres de síntomas en : inglés, holandés, alemán, francés, italiano y español.}
}