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16th Central Hardwood Forest Conference [electronic resource] : proceedings of a conference held at Purdue University, West Lafayette, IN, April 8-9, 2008 / edited by Douglas F. Jacobs, Charles H. Michler ; sponsored by Hardwood Tree Improvement and Regeneration Center at Purdue University, Purdue University Department of Forestry & Natural Resources, U.S. Forest Service Northern Research Station. |
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