The California five-spined engraver
Subtitle: its biology and control
By: by George R. Struble and Ralph C. Hall
Contributors: Hall, Ralph C. (Ralph Corbin), 1899-
Series: Circular / United States Department of Agriculture -- no. 964; Circular (United States. Dept. of Agriculture) -- no. 964.
Publisher: U.S. Dept. of Agriculture
Published: 1955
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Ips; Pine; Diseases and pests
Notes: Cover title.

Bibliography: p. 21.