1. Valuation of the Environment, Methods and Techniques: Revealed Preference Methods”;Bateman,1993
2. Florida Natural Resource Use Value Digest;Bell,1999
3. Recreational demand by tourists for saltwater beach days;Bell;Journal of Environmental Economics and Management,1990
4. An Economic Analysis of the Importance of Saltwater Beaches in Florida, Florida Sea Grant College;Bell,1986
5. Economic Value of Recreational Use of Gibraltar Range and Dorrigo National Parks;Bennett,1995