@ARTICLE {ROSSEL:1982c, title = {Latest research result on root and tuber crop viruses and their indexing}, author = {Rossel, H. W. and Thottappilly, G. }, journal = {Paper presented at Workshop of Tropical Root and Tuber Crop Germplasm Distribution and and Plant Quarantine Regulations, 28-30 April 1982}, year = {1982}, note = {RTB; Root and Tuber}, }