Scleroderris canker of northern conifers
By: Darroll D. Skilling, James T. O'Brien, and James A. Beil.
Contributors: O'Brien, James T.; Beil, James A.; United States. Forest Service.
Edition: [Rev. Mar. 1979.]
Series: Forest insect & disease leaflet ; 130; Forest insect & disease leaflet -- 130.
Publisher: Dept. of Agriculture, Forest Service
Published: 1979
Place of publication: [Washington]
Language: eng
Subjects: Canker (Plant disease); Conifers -- Diseases and pests -- United States.
Notes: Bibliography: p. 7.

Also issued online.