1. The Model for ‘Lemons’: Quality Uncertainty and the Market Mechanism;G. Akerlof;Quarterly Journal of Economics,1970
2. Asian Development Bank. 2009. Press release, "ADB Calls for New Solutions to Help Asia Meet Growing Water, Sanitation Needs." August 18.
3. Bates, B.C.; Z.W. Kundzewicz; S. Wu; and J.P. Palutikof, eds. 2008. "Climate Change and Water." Technical Paper VI: Intergovernmental Panel of Climate Change (June).
4. Chen, Andrew. 2009. "Rethinking Infrastructure Project Finance." Working paper (November).