Thung, T. H.Noordam, D.Martin, Michael Menne.2014-09-232014-09-2319761976http://hdl.handle.net/10413/11268Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1976.No abstract available.en-ZAPlant viruses.Wilt diseases.Theses--Microbiology.Purification and electron microscopy of the tomato spotted wilt virus.Thesis