Bingham, G., Bishop, R., Brody, M., Bromley, D., Clark, E., Cooper, W., Costanza, R., Hale, T., Hayden, A., Kellert, S., Norgaard, R., Norton, B., Payne, J., Russell, C., and Suter, G. 1995. "Issues in Ecosystem Valuation: Improving Information for Decision Making." Ecological Economics 14, 73-90.
Bishop, R.C., Champ, P.A., Brown, T.C., and McCollum, D.W. 1997. "Measuring Non-Use Values: Theory and Empirical Applications." in R. J. Kopp, W. W. Pommerehne, and N. Schwarz (eds) Determining the Value of Non-Marketed Goods, 59-81. Boston. Kluwer Academic Publishers.
Boumans, R.M.J., Costanza, R., Farley, J., Wilson, M.A., Rotmans, J., Villa, F., Portela, R., and Grasso, M. 2002. "Modeling the Dynamics of the Integrated Earth System and the Value of Global Ecosystem Services using the GUMBO model." Ecological Economics 41, 529-560.
Costanza, R., d'Arge, R., deGroot, R., Farber, S., Grasso, M., Hannon, b., Limburg, K., Naeem, S., O'Neill, R.V., Paruelo, J., Raskin, R.G., Sutton, P., and van den Belt, M. 1997. "The Value of the World's Ecosystem Services and Natural Capital." Nature 387, 253-60.
Daily, G.C. 1997. Nature's Services: Societal Dependence on Natural Ecosystems. Washington D.C. Island Press.
DeGroot, R., Wilson, M.A., and Boumans, R.M.J. 2002. "A typology for the classification, description, and valuation of ecosystem functions, goods and services." Ecological Economics 41, 393-408.
Desvouges, W.H., Johnson, F.R., and Banzhaf, H.S. 1998. Environmental Policy Analysis with Limited Information: Principles and Applications of the Transfer Method. Northhampton, MA. Edward Elgar.
Desvousges, W.H., Naughton, M.C., and Parsons, G.R. 1992. "Benefit Transfer - Conceptual Problems in Estimating Water-Quality Benefits Using Existing Studies." Water Resources Research 28, 675-83.
Di Gregorio, A. and Jansen, L. 2000. Land Cover Classification System (LCCS): Classification Concepts and User Manual. Rome: Food and Agricultural Organization of the United Nations.
Freeman, M. 1993. The Measurement of Environmental and Resource Values. Washington D.C. Resources for the Future.
Goulder, L.H. and D. Kennedy. 1997. Valuing ecosystem services: philosophical bases and empirical methods. pp. 23-48 in G. Daily (ed.), Nature's Services. Island Press, Washington D.C., USA.
Wilson, M.A. and Carpenter, S.R. 1999. "Economic Valuation of Freshwater Ecosystem Services in the United States 1971-1997." Ecological Applications 9, 772-783.