@book{22970,
	author = {Smith, Kenneth M.},
	title = {Plant viruses /},
	publisher = {Methuen,},
	year = {c1968.},
	series = {Methuen's monographs on biological subjects},
	address = {London :},
	edition = {4th ed.},
	note = {Distributed in U.S.A. by Barnes and Noble.}
}