The effect of defoliation of grand fir on its moisture stress and resistance to the fir engraver beetle
By: by Lawrence Carey Wright.
Published: 1976
Language: eng
Number of pages: 25
Subjects: Fir -- Diseases and pests.
Notes: Thesis (M.A.)--Washington State University.

Bibliography : leaves 23-25.

WSU:"Department of Entomology"