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Die Lage der Landwirtschaft in den Regionen der EWG : [2 Vorträge]
Lösch, Rolf; Schmidt, Helmut - 1968
Persistent link: https://www.econbiz.de/10000606835
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Aggregation of future demand and supply for agricultural products in the European Economic Community 1970-1975
Schmidt, Helmut - 1969
Persistent link: https://www.econbiz.de/10012879786
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Long-term development of demand and supply for agricultural products in the Federal Republic of Germany
Schmidt, Helmut (contributor) - 1967
Persistent link: https://www.econbiz.de/10012879832