TY - GEN AU - MATTHEWS,R E F TI - Studies on potato virus X; criteria of relationships between strains SN - 0003-4746 PY - 2004///0930 KW - Potexvirus KW - Sprains and Strains KW - Viruses N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1744-7348.1949.tb06942.x ER -