1. Bailey, K. 1988. The impact of the Food Security Act of 1985 on U.S. wheat exports: An economic analysis. PhD thesis. Minneapolis: University of Minnesota, September.
2. Crowder, R. T. 1989. The export enhancement program: Review and assessment of program criteria and objectives. Statement by the Under Secretary for International Affairs and Commodity Programs. U.S. Department of Agriculture, before the Subcommittee on Wheat. Soybeans, and Feed Grains. House Committee on Agriculture, 31 July 1989, p. 25 and appendix table.
3. Hillberg, Ann Marie 1988. The United States' export enhancement program for wheat: A simulation model employing Nash's bargaining solution. PhD thesis. West Lafayette, lnd.: Purdue University, May.