3 treff

virus diseases of plants congresses
Fifth international symposium on virus diseases of ornamental plants : Bad Harzburg 18-23 May 1980
International Symposium on Virus Diseases of Ornamental Plants
Bok Engelsk 1980 · Vis mer
Plant virology : proceedings of the 6th Conference of the Czechoslovak Plant Virologists, Olomouc 1967
Conference of the Czechoslovak Plant Virologists
Bok Engelsk 1969 · Vis mer
Symposium on fruit tree virus diseases : Vancouver, B.C. Canada 17-26 June 1982
International Symposium on Fruit Tree Virus Diseases
Bok Engelsk 1983 · Vis mer