3[1]Dales, J. H., Pollution, Property and Prices, University of Toronto Press, 1968
4[2]Catherine L. Kling, Jinhua Zhao, On the long-run efficeincy of auctioned vs. free permits, Economics Letters, 2000(69)
5Arrow KJ.Social choice and individual values.New York: John Wiley & Sons, Inc, 1951.
6Stavins.Transaction Costs and the Performance of Markets for Pollution Control. Discussion Paper QE93-116. Washington D.C. Resources for the Future, 1993.
7R Maxwell,Steve,Henley, Mike. The Emerging Water and Wastewater Services Market.Ultrapure water. 1997(7).
8James R Kahn.The Economic Approach to Environmental and Natural Resource. Harcourt Brace Colldge Publishers,1995.
9Walmsley, J. J, Market. forces and the management of water for the: environment ,Water S.A.1995(1).
10Henley, Mike Western European .Water Treatment Market Remains Steady Industrial Water Treatment, 1994(4).
