individual publications academic article Agroforestry silviculture and policy in the United States of America. Forest Ecology and Management. 91:5-15. 1997 booksection Agroforestry in North America and its role in farming systems 1997 report Agroforestry: An integrated land-use management system for production and farmland conservation. 58. 1994 Agroforestry: an integrated land-use management system for production and farmland conservation 1994