Davis, Graham A. “Options Premiums in Mineral Asset Pricing: Are They Important?” Land Economics, Vol. 72, No. 2 (May, 1996), 167-186.

Dobbins, Jeffrey C. “The Pain and Suffering of Environmental Loss: Using Contingent Valuation to Estimate Nonuse Damages.” Duke Law Journal, Vol. 43, No. 4 (Feb., 1994), 879-946

Frank, Jeff & Babunovic, Mark. “An Investment Model of Natural Resource Markets.” Economica, New Series, Vol. 51, No. 201 (Feb., 1984), 83-95.

Hanemann, W. Michael. “Valuing the Environment Through Contingent Valuation.” The Journal of Economic Perspectives, Vol. 8, No. 4 (Autumn, 1994), 19-43

Levhari, David & Pindyck, Robert S. “The Pricing of Durable Exhaustible Resources.” The Quarterly Journal of Economics, Vol. 96, No. 3 (Aug., 1981), 365-378.

Lim, Suk S. & Sunder, Shyam. “Efficiency of Asset Valuation Rules under Price Movement and Measurement Errors.” The Accounting Review, Vol. 66, No. 4 (Oct., 1991), 669-693

Minnesota Deparment of Administration, Office of Geographic and Demographic Analysis. http://server.admin.state.mn.us/data.html

Mitchell, Robert C. & Carson, Richard T. “Using Surveys to Value Public Goods: The Contingent Valuation Method.” (1989). Resource For The Future. (80).

Moncur, James E. T. & Pollock, Richard L. “Scarcity Rents for Water: A Valuation and Pricing Model.” Land Economics, Vol. 64, No. 1 (Feb., 1988), 62-72.

Radermacher, Walter. “Indicators, Green Accounting and Environmental Statistics: Information Requirements for Sustainable Development. International Statistical Review, Vol. 67, No. 3 (Dec., 1999), 339-354.

Randall, Alan. “A Difficulty with the Travel Cost Method.” Land Economics, Vol. 70, No. 1 (Feb., 1994), 88-96

Sen, Amartya. “The Discipline of Cost Benefit Analysis.” The Journal of Legal Studies, Vol. 29, No. 2, Cost-Benefit Analysis: Legal, Economic, and Philosophical Perspectives (Jun. 2000), 931-952

Smith, V. Kerry. Nonmarket Valuation of Environmental Resources: An Interpretive Appraisal.

Stevens, Thomas H. et al. “Measuring the Existence Value of Wildlife: What Do CVM Estimates Really Show?” Land Economics, Vol. 67, No. 4 (Nov., 1991), 390-400

Tietenberg, Tom. Environmental and Natural Resource Economics. (2003). Addison-Wesley.

United States Forest Serivce. http://www.fs.fed.us/

Vellinga, Nico & Withagen, Cees. “On the Concept of Green National Income.” Oxford Economic Papers, New Series, Vol. 48, No. 4 (Oct., 1996), 499-514.

Weitzman, Martin L. “Pricing the Limits to Growth from Minerals Depletion.” The Quarterly Journal of Economics, Vol. 114, No. 2 (May, 1999), 691-706.

Whitehead, John C. “Willingness to Pay for Quality Improvements: Comparative Statics and Interpretation of Contingent Valuation Results.” Land Economics, Vol. 71, No. 2 (May, 1995), 207-215