2
by Theuvsen, Ludwig
Published in DLG-Mitteilungen (2016)
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3
by Theuvsen, Ludwig
Published in DLG-Mitteilungen (2015)
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4
by Theuvsen, Ludwig
Published in DLG-Mitteilungen (2013)
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5
by Theuvsen, Ludwig
Published in DLG-Mitteilungen (2013)
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6
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7
8
by Theuvsen, Ludwig
Published in Agrarwirtschaft (2009)
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11
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13
by Theuvsen, Ludwig
Published in Agrarwirtschaft (2008)
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14
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17
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19
by Theuvsen, Ludwig
Published in VM (2004)
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