Israel, Debra and Arik Levinson. "Willingness to Pay for Environmental Quality: Testable Empirical Implications of the Growth and Environment Literature" Contributions in Economic Analysis & Policy, 3.1 (2004): -. Retrieved 19 Jun. 2013, from doi:10.2202/1538-0645.1254

Israel, D. & Levinson, A. (2004). Willingness to Pay for Environmental Quality: Testable Empirical Implications of the Growth and Environment Literature. Contributions in Economic Analysis & Policy, 3(1), pp. -. Retrieved 19 Jun. 2013, from doi:10.2202/1538-0645.1254

Israel, Debra and Arik Levinson. 2004. Willingness to Pay for Environmental Quality: Testable Empirical Implications of the Growth and Environment Literature. Contributions in Economic Analysis & Policy. 3(1): -. Retrieved 19 Jun. 2013, from doi:10.2202/1538-0645.1254