%0 Journal Article %T Identification of two nucleotide sequence sub-groups within Potato mop-top virus * %A Nielsen, S. L. %A Nicolaisen, M. %J Archives of Virology %V 148 %N 2 %P 381-388 %@ 0304-8608 %D 2003-01-01 %I Springer-Verlag %~ DeepDyve