J. P. Helgeson

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Books by J. P. Helgeson (50 max)

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Tissue culture methods for plant pathologists

1980

David S. Ingram, J. P. Helgeson

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Tissue Culture Methods for Plant Pathologists: Organized by the British Plant Pathologists (Federation of British Plants Pathologist)

1981

D. S. Ingram, J. P. Helgeson, David S. Ingram