1. Allen, J. W., ?Illinois Interregional Product Flows,? (unpublished Ph.D. dissertation, Dept. of Economics, University of Illinois, 1968).
2. Airov, J., ?The Construction of Interregional Business Cycle Models,?Journal of Regional Science, III (Summer, 1963), 1?20.
3. Bendavid, A.,Regional Economic Analysis, New York: Praeger Publishers, 1974.
4. Davis, H. C.,Economic Evaluation of Water, Part J: Multi-Regional Input-Output Techniques and Western Water Resources Development. Berkeley: Sant. Eng. Research Lab., University of California, 1968.
5. Hoover, E. M.,The Location of Economic Activity, New York: McGraw-Hill, 1948.