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. Confe...

por Conference on Virus and Virus Diseases of the Grapevine (6th : 1976 : Córdoba, Spain, etc.)
Publicado 1978.