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- [31] THE ELASTICITY OF SUBSTITUTION AND LAND-USE IN AGRICULTURAL PRODUCTION - A CAUSE FOR OPTIMISM AGRICULTURAL ECONOMICS RESEARCH, 1984, 36 (03): : 20 - 27
- [34] International Trade ARCHIV FUR SOZIALWISSENSCHAFT UND SOZIALPOLITIK, 1928, 59 (03): : 649 - 650