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2by Tuchmann, E.T., Department of Agriculture, Portland, OR (USA). Office of Forestry and Economic Assistance eng 24206, Connaughton, K.P., Freedman, L.E., Moriwaki, C.B., Brookes, M.H. (ed.), Forest Service, Portland, OR (USA). Pacific Northwest Research Station eng 403744
Published 1996Texto bibliotecaFAO IT