1. Use of wood energy in the United States;Koning;Biomass,1987
2. Silage sycamore;McAlpine;For. Farmer,1976
3. Silage sycamore;McAlpine;For. Farmer,1976
4. Hardwood energy crops: The technology of intensive culture;Ranney;J. Forestry,1987
5. Spacing and cutting cycle influence on short-rotation silver maple yield;Geyer;Tree Planters Notes,1978