BOS, L. Symptoms of virus diseases in plants: with indexes of names of symptoms in Engli /[by] L.Bos - 2nd ed., rev. - Netherlands Institute of phytopathological research 1970 - 206 p. Includes reference and index. ISBN: 9022003221 Subjects--Topical Terms: VirusesPlant diseases Dewey Class. No.: 632.8 / BOS