Lind, Robert C.; Bahl, Roy W.; Coelen, Stephen P. - In: Benefit-cost & policy analysis : an Aldine annual on … (1973), pp. 239-288
Land value increments as a measure of the net benefits of urban water supply projects in developing countries. Theory and measurement. [Von] Roy W. Bahl, Stephen P. Coelen, and Jeremy J. Warford. S. 259-276