@ARTICLE {DEMPSTER:1995, title = {The incidence of strains of barley yellow dwarf virus in perennial ryegrass crops in south-west and central Scotland}, author = {Dempster, L. C. and Holmes, S. J. I. }, journal = {Plant Pathology}, year = {1995}, volume = {44}, number = {4}, pages = {710--717}, issn = {0032-0862}, }