TY - RPRT TI - Sequence data as the major criterion for potyvirus classification. AU - C W Ward AU - N M McKern AU - M J Frenkel AU - D D Shukla PY - 1992 DO - 10.1007/978-3-7091-6920-9_29 UR - https://pubmed.ncbi.nlm.nih.gov/1450751/ ID - 1450751 ER -