1. Forest for energy and the role of planted trees;Mead;Critical Reviews in Plant Sciences,2005
2. Trees outside of forests;FAO,2002
3. Successful approaches to recycling urban wood waste;Solid Waste Association of North America,2002
4. Urban tree and wood yard residues another wood resource;McKeever,2003
5. Quantifying urban saw timber abundance and quality in southeastern lower Michigan, U.S.A;MacFarlane;Arboriculture and Urban Forestry,2007