Peine, John D., William P. Gregg, Jr., Stanley L. Krugman, and James D. Woods, Jr.. "
The Southern Appalachian Man and Biosphere Cooperative Program." In
Proceedings of the Symposium on Biosphere Reserves, Fourth World Wilderness Congress Worldwide Conservation, 142-152. YMCA at the Rockies, Estes Park, Colorado: U.S. Department of the Interior, National Park Service, 1989.