1. R. T. Carson, N. E. Flores, W. M. Hanemann, Sequencing and Valuing Public Goods, University of Colorado Department of Economics, Boulder, CO, 1997
2. The theory of mixed demand functions;Chavas;European Econom. Rev.,1984
3. Duality and Modern Economics;Cornes,1992
4. Theoretical and empirical approaches to consumer demand under rationing;Deaton,1981
5. Duality approaches to microeconomic theory;Diewert,1982