1. Index of plant virus diseases;U.S. Dept. Agr. Handbook,1966
2. Cytology of plant virus infections;Bald;Advan. Virus Res.,1966
3. Serological Tests for the Identification of Plant Viruses;Ball,1961
4. A study of the self-assembly process in a small spherical virus. Formation of organized structures from protein subunits in vitro;Bancroft;Virology,1967
5. Plant Viruses and Virus Diseases;Bawden,1964