Fungal viruses XIIth International Congress of Microbiology, Mycology Section, Munich, 3-8 September, 1978 : proceedings of the Symposium on Fungal Viruses : including abstracts of papers of the Symposium on Extrachromosomal Vectors in Fungi and abstracts of posters on fungal viruses - Molitoris, Hans Peter 1935-; Hollings, M.; Wood, H. A. (Proceedings in life sciences, 1979)