Number 4 / Winter 1970

Research Contributions

• Maximum Effective Pit Pore Radii Of The Heartwood And Sapwood Of Six Softwoods As Affected By Drying And Resoaking

  Alfred J. Stamm

  263-269

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• Water Vapor Sorption Rates By Wood Cell Walls

  Myron W. Kelly, C. Arthur Hart

  270-282

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• Directional Permeability Of Softwoods

  Gilbert L. Comstock

  283-289

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• The Management Of Research and Development For Results

  D. L. Bosman, Robert J. Hoyle, Jr.

  290-301

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• A Geometrical Model For Thermal Conductivity

  John F. Siau

  302-307

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• Water-Filled Lumens In Steady-State Flow In Oak and Poplar

  C. Arthur Hart

  308-318

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• Notes and Correspondence

  319-319

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