（1）Dichotomous choice contingent valuation probability distributions
         Geoffrey N. Kerr
        Australian Journal of Agricultural and Resource Economics Volume 44 Issue 2, Pages 233 - 252
URL:[url]http://www3.interscience.wiley.com/journal/119050762/abstract[/url]


(2)Elicitation and truncation effects in contingent valuation studies

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Ecological Economics
Volume 19, Issue 3, December 1996, Pages 265-267
URL:[url]http://www.sciencedirect.com/science/article/B6VDY-3VVT40M-S/2/ebf9b46689e629851f799317d80ca66e[/url]
(3)
      Improved Estimation of Willingness to Pay in Dichotomous Choice Contingent Valuation Studies
      Land Economics, Vol. 74, No. 1 (Feb., 1998), pp. 65-75

       URL: http://www.jstor.org/stable/3147213

(4)Estimating Mean Willingness To Pay From Dichotomous Choice Contingent Valuation Studies
Journal of the Royal Statistical Society: Series D (The Statistician)Volume 48 Issue 1, Pages 109 - 124
URL:[url]http://www3.interscience.wiley.com/journal/120139873/abstract?CRETRY=1&SRETRY=0[/url]

(5)Learning design contingent valuation (LDCV): NOAA guidelines, preference learning and coherent arbitrariness
Journal of Environmental Economics and Management
Volume 55, Issue 2, March 2008, Pages 127-141
URL:[url]http://www.sciencedirect.com/science/article/B6WJ6-4R46664-3/1/26560bc20339bc7cfa47657cfd83df97[/url]