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- [3] PROOF OF INTERACTIONS BETWEEN INFECTIONS WITH LETTUCE MOSAIC VIRUS AND CUCUMBER MOSAIC VIRUS IN FIELDS OF LETTUCE PLANTS PHYTOPATHOLOGISCHE ZEITSCHRIFT-JOURNAL OF PHYTOPATHOLOGY, 1976, 85 (04): : 308 - 313
- [4] INACTIVATION OF LETTUCE MOSAIC-VIRUS IN LETTUCE SEED BY DRY HEAT-TREATMENT JOURNAL OF THE AUSTRALIAN INSTITUTE OF AGRICULTURAL SCIENCE, 1978, 44 (02): : 131 - 132