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Log and Lumber Grades as Indicators of Wood Quality in 20- to 100-Year-Old Douglas-Fir Trees from Thinned and Unthinned Stands
- BARBOUR, R. James - PARRY, Dean L. Log and Lumber Grades as Indicators of Wood Quality in 20- to 100-Year-Old Douglas-Fir Trees from Thinned and Unthinned Stands. Portland : USDA Forest Service, 2001. 22 s. General Technical Report, PNW-GTR-510.
Počet záznamov: 1