Não informado. (2022). US Forest Service Research Paper RM. Rocky Mountain Forest and Range Experimemt Station.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. US Forest Service Research Paper RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experimemt Station, 2022.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. US Forest Service Research Paper RM. Rocky Mountain Forest and Range Experimemt Station, 2022.
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