search query: @author Boetsch, W. / total: 1
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| title | year | author | ||
| 1. |
Wirtschaftsdienst
1994 : FEB, VOL. 74:2, p.63-67 |
1994 | Boetsch, W. |
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| title | year | author | ||
| 1. |
Wirtschaftsdienst
1994 : FEB, VOL. 74:2, p.63-67 |
1994 | Boetsch, W. |