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2. Factors in virus evolution;Andrewes;Advances in Virus Research,1957
3. Further evidence for multiplication of the aster-yellows virus in the aster leafhopper;Black;Phytopathology,1941
4. A plant virus that multiplies in its insect vector;Black;Nature,1950
5. Multiplication of wound-tumor virus in an insect vector;Black;Phytopathology,1952