By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|61|3|217-220

Society of American Foresters‎(1963)‎

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By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|58|1|38-42

Society of American Foresters‎(1960)‎

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By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|61|12|907-912

Society of American Foresters‎(1963)‎

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By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|56|1|33-35

Society of American Foresters‎(1958)‎

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By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|62|11|814-817

Society of American Foresters‎(1964)‎

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By Shipman R. D.   in Journal of Forestry

ISSN:0022-1201|66|12|910-912

Society of American Foresters‎(1968)‎

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By Shipman R.   Shackleton M.   Harvey I.   in BT Technology Journal

ISSN:1358-3948|18|4|103-111

Springer Publishing Company ‎(2000)‎

Access to resources Favorite 8.013651

By Shipman R.   Botham P.   Coker P.   in BT Technology Journal

ISSN:1358-3948|18|4|95-102

Springer Publishing Company ‎(2000)‎

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By Bonsma E.   Shackleton M.   Shipman R.   in BT Technology Journal

ISSN:1358-3948|18|4|24-31

Springer Publishing Company ‎(2000)‎

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By Shipman R. D.   Eichert J. P.   in Journal of Forestry

ISSN:0022-1201|65|5|328-334

Society of American Foresters‎(1967)‎

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