De Costa, Devika M A Monograph on plant viruses - Peradeniya Faculty of Agriculture. University of Peradeniya 2009 - ix,102 p. some Colour ISBN: 978955518491 Subjects--Topical Terms: BOOKS BOX 778BOOKS BOX B2160MOLECULAR BIOLOGYPLANT VIROLOGY Dewey Class. No.: B0778 / LDC