INTERACTIONS BETWEEN VIRUSES AND VIRUS STRAINS

[61] THUNG TH, 1936, 7 NED IND NAT C HAND, P496

[62] Valleau WD, 1941, PHYTOPATHOLOGY, V31, P522

[63] Wallace JM, 1944, J AGRIC RES, V69, P0187

[64] YARWOOD CE, 1951, PHYTOPATHOLOGY, V41, P39

[65] 1951, 1949 1950 W AFR CAC, P9

[66] [No title captured]

[67] 1949, 1947 1948 W AFR CAC, P11

[68] 1948, 1946 1947 W AFR CAC, P11

[69] [No title captured]

[61] THUNG TH, 1936, 7 NED IND NAT C HAND, P496

[62] Valleau WD, 1941, PHYTOPATHOLOGY, V31, P522

[63] Wallace JM, 1944, J AGRIC RES, V69, P0187

[64] YARWOOD CE, 1951, PHYTOPATHOLOGY, V41, P39

[65] 1951, 1949 1950 W AFR CAC, P9

[66] [No title captured]

[67] 1949, 1947 1948 W AFR CAC, P11

[68] 1948, 1946 1947 W AFR CAC, P11

[69] [No title captured]