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Probleme des Übergangs von der Handhacke zum Pflug : eine ökonomische Analyse der Einführung der tierischen Anspannung in Ackerbausysteme Togos / Heinz Wilhelm Strubenhoff.
- Vauk,
- 1988.
- Kiel :
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The role of pine forests in farming systems and forestry development : an example from Central Morocco / by Heinz-Peter Wolff.
- Vauk,
- 1995.
- Kiel :
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Addressing agricultural sustainability through research : planning and decision-making issues at the national level / by Andreas Springer-Heinze.
- Vauk,
- 1995.
- Kiel :
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South Asia's agricultural exports to the EEC : determinants and perspectives / by Heinz Ahrens.
- 856
- Vauk,
- 1984.
- Kiel :