Proceedings of the 6th Conference on Virus and Virus Diseases of the Grapevine : (International Council for the Study of the Virus and Virus Diseases of the Grapevine) = 6a. Conferencia Internacional sobre las Virosis de la Vid, España 13-21 Septiembre 1976.
por: Conference on Virus and Virus Diseases of the Grapevine (6th : 1976 : Córdoba, Spain, etc.)
Publicado: (1978.)
