Central Hardwood Forest Conference (16th : 2008 : West Lafayette, Ind.)
Newton Square, PA : U. S. Forest Service, Northern Research Station ; Delaware, OH : U.S. Forest Service, Publications Distriubtion, [2008]
2008
Symposium on Ash in North America (2010 : Purdue University)
Newtown Square, PA : U.S. Dept. of Agriculture, Forest Service, Northern Research Station, [2010]
2010