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1دورية
المؤلفون: Xi, Weimin, Coulson, Robert N., Waldron, John D., Tchakerian, Maria D., Lafon, Charles W., Cairns, David M., Birt, Andrew G., Klepzig, Kier D.
المصدر: Journal of Forestry; June 2008, Vol. 106 Issue: 4 p191-197, 7p
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2دورية
المؤلفون: Cairns, David Martin, Lafon, Charles W., Birt, Andrew G., Waldron, John D., Tchakerian, Maria, Coulson, Robert N., Xi, Weimin, Klepzig, Kier
المصدر: Geography Compass; May 2008, Vol. 2 Issue: 3 p580-599, 20p