15th International Symposium on Fruit Tree Diseases. 15th International Symposium on Virus Diseases of Temperate Fruit Crops. Fifteenth International Symposium on Fruit Tree Diseases. Fifteenth International Symposium on Virus Diseases of Temperate Fruit Crops. Fruit tree virus diseases.
Notes:
"Commission Plant Protection, ISHS Working Group on Virus Diseases of Fruit Trees." "May 1992." Other title: Fruit tree virus diseases. Includes bibliographical references and index.
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