1. Anderson, K., 2005. Personal communication. Agricultural Extension Service. Oklahoma State University
2. A model of supply of storage;Bobenrieth;Economic Development and Cultural Change,2004
3. Cafiero, C., 2002. Estimation of the commodity storage model. Ph.D. Dissertation, Department of Agricultural and Resource Economics, The University of California at Berkeley (unpublished)
4. On the behaviour of commodity prices;Deaton;Review of Economic Studies,1992
5. Estimating a nonlinear rational expectations commodity price model with unobservable state variables;Deaton;Journal of Applied Econometrics,1995