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Author: Mexal John G. Timmis Roger Morris William G.
Publisher: Society of American Foresters
ISSN: 0148-4419
Source: Southern Journal of Applied Forestry, Vol.3, Iss.1, 1979-02, pp. : 15-19
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By Thorsen Å Ake Mattsson Staffan Weslien Jan
Scandinavian Journal of Forest Research, Vol. 16, Iss. 1, 2001-01 ,pp. :