Number 1 / Spring 1979

Research Contributions

• Letter to The Editor

  J. Howard Smith

  1-1

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• Distribution of Toxic Elements in Douglas-Fir Plywood Treated with Czaa Preservative

  J. Rak

  2-9

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• Permeability Changes Induced in Three Western Conifers by Selective Bacterial Inoculation

  Bruce R. Johnson

  10-21

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• Absence of Growth-Wood Property Correlation in Twenty-Seven Black Pine Seed Sources

  Chen H. Lee

  22-28

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• Anatomical Response and Recovery of Twigs of Juglans Nigra Following Oviposition Injury Inflicted by The Two-Spotted Treehopper, Enchenopa Biontata

  J. E. Armstrong, W. H. Kearby, E. A. McGinnes, Jr

  29-37

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• Tensile Properties of Spruce Under Different Conditions

  Zoltan Koran

  38-49

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• Severe Warp Development in Young-Growth Ponderosa Pine Studs

  John R. Shelly, Donald G. Arganbright, Michael Birnbach

  50-56

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• Effects of Load Level, Core Density, and Shelling Ratio on Creep Behavior of Hardboard Composites

  Poo Chow, Richard Craig Hanson

  57-65

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• Toughness of Sap-Stained Southern Pine Salvaged After Beetle Attack

  Steven A. Sinclair, Thomas E. McLain, Geza Ifju

  66-72

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