00550nam a22001817a 4500 160108b xxu||||| |||| 00| 0 eng d Cir./576.6483/Sh92 19748 c.3 5466 Shukla, Dharma D. The Potyviridae Dharma D. Shukla Australia : CAB International 1993 xii, 616 pages : ill. ; 25 cm. 5468 Plant Diseases 5467 Plant pest 5469 Polyvi diseases 5470 Ward, Colen W. 5471 Brunt, Alan A. ddc BK 4862 4862