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Systems of Equations for Estimating Ovendry Mass of 18 Canadian Tree Species
F. EvertPetawawa National Forestry Institute
出版Petawawa National Forestry Institute, 1985
ISBN06621435909780662143598
URLhttp://books.google.com.hk/books?id=JEtPshaD0gQC&hl=&source=gbs_api