Dutch elm disease
Subtitle: (Ceratostomella ulmi (Schwarz) Buisman)
By: by R. U. Swingle and R. R. Whitten
Publisher: Society of American Foresters
Published: 1950
Place of publication: Hillsboro, N. H
Language: eng
Notes: Tree Pest Leaflets, No. 23, Revised June 1950.

Includes bibliographical references.