Social preferences for improving water quality : an economic analysis of benefits from waste-water treatment /
by Areti Kontogianni ... [et al.].
- Norwich : Centre for Social and Economic Research on the Global Environment, 2001.
- 33p.
- CSERGE working paper, GEC 01-04 0967-8875 ; .
- CSERGE working paper, GEC 01-04 .