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| 2012 | ||
|---|---|---|
| 2 | Carsten H. Emmann, Ludwig Arens, Hans-Joachim Budde, Ludwig Theuvsen: Individuelle Akzeptanz der Innovation "Biogas": Eine Kausalanalyse. GIL Jahrestagung 2012: 71-74 | |
| 1991 | ||
| 1 | Hans-Joachim Budde: An Economic Water - Planning - Model for the Eastern Region of Sudan. Informatik für den Umweltschutz 1991: 441-450 | |
| 1 | Ludwig Arens | [2] |
| 2 | Carsten H. Emmann | [2] |
| 3 | Ludwig Theuvsen | [2] |
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