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Biotechnology for crop protection - its potential for developing countries : proceedings of an international workshop held from 9th-13th December 1996 in Berlin, Germany / rapporteur Dagmar Jördens-Röttger ; ed. Jürgen Richter, Jürg Huber, Bruno Schuler.
- DSE. ZEL,
- 1998.
- Feldafing [etc.] :
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Unterwegs in Burkina Faso : Begegnungen - Erfahrungen - Einblicke / Bruno Sonnen, Werner Schmitz.
- Paulinus,
- 1998.
- Trier :