search query: @author Grothe-Senf, A. / total: 2
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| title | year | author | ||
| 2. |
UWF-Umweltwirtschaftsforum
1997 : MAR, VOL. 4:1, p. 59-61 |
1997 | Grothe-Senf, A. Schomaker, K. |
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