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Verbesserte Betriebsführung durch Kommunikation über Bildschirmtext : Vorträge der Anbietertagung "Btx-Agrar 88"
Schiefer, Gerhard W. (contributor);  … - 1989
Persistent link: https://www.econbiz.de/10000771523
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Perspectives of modern information and communication systems in agriculture, food production and environmental control ; (Vol. B)
Schiefer, Gerhard W. (contributor); Helbig, Ralf (contributor) - 1999
Persistent link: https://www.econbiz.de/10001399060
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E-commerce and electronic markets in agribusiness and supply chains : proceedings of the 75th Seminar of the European Association of Agricultural Economists (EAAE), February 14 - 1...
Schiefer, Gerhard W. (contributor); Schiefer, Gerhard (ed.) - 2001 - 2. Aufl.
Persistent link: https://www.econbiz.de/10001611118
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E-commerce and electronic markets in agribusiness and supply chains : proceedings of the 75th Seminar of the European Association of Agricultural Economists (EAAE) February, 14 - 1...
Schiefer, Gerhard W. (contributor); Helbig, Ralf (contributor) - 2001
Persistent link: https://www.econbiz.de/10001547641
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E-Commerce and electronic markets in agribusiness and supply chains : proceedings of the 75th Seminar of the European Association of Agricultural Economists (EAAE), February 14-16,...
Schiefer, Gerhard W. (contributor); Schiefer, Gerhard (ed.) - 2003 - 3. rev. ed.
Persistent link: https://www.econbiz.de/10001727917