By Gregersen Hans M.   in Journal of Forestry

ISSN:0022-1201|69|5|290-294

Society of American Foresters‎(1971)‎

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By Contreras Arnoldo   Gregersen Hans   in Journal of Forestry

ISSN:0022-1201|80|6|363-364

Society of American Foresters‎(1982)‎

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By Gregersen Hans M.   in Forest Science

ISSN:0015-749X|43|4|603-604

Society of American Foresters‎(1997)‎

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By Hansen Ib   Gregersen Hans   in Scandinavian Journal of Urology and Nephrology

ISSN:0036-5599|33|1|10-16

Informa Healthcare‎(1999)‎

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By Gregersen Hans M.   in Journal of Forestry

ISSN:0022-1201|86|10|22-30

Society of American Foresters‎(1988)‎

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By Gregersen Hans   Lundgren Allen   Byron Neil   in Journal of Forestry

ISSN:0022-1201|96|3|6-10

Society of American Foresters‎(1998)‎

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By Gregersen Hans M.   McGaughey Stephen   in Journal of Forestry

ISSN:0022-1201|81|1|35-43

Society of American Foresters‎(1983)‎

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By Skok Richard A.   Gregersen Hans M.   in Journal of Forestry

ISSN:0022-1201|73|4|202-205

Society of American Foresters‎(1975)‎

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By Kassab Ghassan   Lontis Eugen   Gregersen Hans   in Annals of Biomedical Engineering

ISSN:0090-6964|32|12|1642-1653

Springer Publishing Company ‎(2004)‎

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By Gregersen Hans M.   Houghtaling Thomas W.   in Journal of Forestry

ISSN:0022-1201|75|1|28-29

Society of American Foresters‎(1977)‎

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