1. Studies on Brazilian tobacco streak;Costa;Phytopathol. Z.,1961
2. Reconnaissance de plusieurs virus dans une population de Trifoliuna pratense L. naturellement infecté;Devergne;Ann. Épi-phyties,1961
3. The use of bentonite in the purification of plant viruses;Dunn;Virology,1965
4. Virus concentration in plants acquiring tolerance to tobacco streak;Fulton;Phytopathology,1949
5. Purification of sour cherry necrotic ringspot and prune dwarf viruses;Fulton;Virology,1959