Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir
By: Martin W. Ritchie, David W. Hann.
Contributors: Hann, David W.; Oregon State University. Forest Research Laboratory.
Series: Research paper / Forest Research Lab, College of Forestry, Oregon State University -- 47.; Research paper (Oregon State University. Forest Research Laboratory) -- 47.
Publisher: Forest Research Laboratory, College of Forestry, Oregon State University
Published: 1984
Place of publication: Corvallis, OR
Language: eng
Number of pages: 12
Subjects: Trees -- Oregon -- Measurement.; Douglas fir.
Notes: Title from cover.

"December l984."

Bibliography: p. 11-12.