TY - RPRT TI - Prunus necrotic ringspot virus as a multicomponent system. AU - L S Loesch AU - R W Fulton PY - 1975 DO - 10.1016/0042-6822(75)90148-8 UR - https://pubmed.ncbi.nlm.nih.gov/1189299/ ID - 1189299 ER -