Bateman, Ian J. <br/><br/>
The aggregation of non-user benefits :  a case study illustrating different approaches / 
by Ian J. Bateman, Ian H. Langford and Naohito Nishikawa. 
 - Norwich :  Centre for Social and Economic Research on the Global Environment,  1999. 
 - 15, [3]p. 
 - CSERGE working paper,  GEC 99-18  0967-8875 ; .
 - CSERGE working paper,  GEC 99-18 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contingent valuation.<br/>Water utilities--Environmental aspects.--Great Britain