Plný text je přístupný pouze z počítačů Ostravské univerzity
Vols. for 1988-1990 called v. 11, issue 1-v. 13, issue 4.
Mode of access: World Wide Web.
Vols. for spring 1979-summer 1980 issued by: National Economics Division, Economics, Statistics, and Cooperatives Service (<summer 1979> with the Information Division, Economics, Statistics, and Cooperatives Service); fall 1980-spring 1981 by: National Economics Division, Economics and Statistics Service; summer 1981-198 by: National Economics Division, Economic Research Service; <Jan.-Mar. 1988>-Oct.-Dec. 1990 by: Commodity Economics Division, Economic Research Service, U.S. Dept. of Agriculture.