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1、U.S. Congress. Report of the National Commission to Restructure the Internal Revenue1Service. A Vision for a New IRS. Wa。

2、Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS Web94220 EPWUpdate。

3、Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS Web94220 EPWUpdate。

4、Congressional Research Service The Library of CongressCRS Report for CongressReceived through the CRS Web98133 ENRUpdate。

5、 Data are from the U. S. Department of Agriculture and the 1992 Census of Agriculture.1Congressional Research Service Th。