Cimon, N., and P. Coe. 1992. The map machine: using the structured query language to produce precisely tailored maps of telemetry observations. Pages 1-7 in Proceedings of GIS '92 Symposium. Vancouver, British Columbia, Canada.
Fried, B.
Thesis
Fried, B. M. 1992. Using valuation functions to estimate changes in the quallity of a recreational experience: elk hunting in Oregon. Corvallis, OR: Oregon State University. 93 pp. M.S. Thesis.