Open designRuud Binnekamp, L. A. van Gunsteren, Peter-Paul van Loon · First published 2006Open the Tome
Contingent valuation study of lost passive useRichard T. Carson, Robert C. Mitchell, W. Michael Hanemann, Raymond J. Kopp, Stanley Presser, Paul A. Ruud, San Diego. Department of Economics University of California · First published 1995Open the Tome
