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Introduction to forest resource economics
William A. Duerr
Bok Engelsk 1993
Forest resource management : decision-making principles and cases
editors and authors, William A. Duerr ......
Bok Engelsk 1979
Fundamentals of forestry economics
Duerr, William A.
Bok Engelsk 1960
Research in the economics of forestry
[by] William A. Duerr and Henry J. Vaux
Bok Engelsk 1953
The economic problems in the Appalachian region
William A. Duerr
Bok Engelsk 1949