Robert A. Robertson
"Voluntary Compliance as a Scenic and Cultural Resource Protection Tool: A Critical Review of Wisconsin's Rustic Road Program", Journal of Environmental Planning and Management, 1993.
"Off-farm Impacts of Soil Erosion of Recreation: The Case of Red Rock Reservoir in Central Iowa", Journal of Soil and Water Conservation, 1994.
"The Interface Between Commercial & Industrial Development and Recreation Use in an Urban River Corridor" Journal of Leisure Research, 1993.
University-Based Education & Training Programs in Ecotourism or Nature Based Tourism in the USA", Journal of Natural Resources and Agriculture Education, 1996.