search query: @author Hellmann, W. / total: 1
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| title | year | author | ||
| 1. |
Betriebswirt
1989 : VOL. 30:2, p.24-29 |
1989 | Hellmann, W. Sprink, J. |
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SCIMA
| title | year | author | ||
| 1. |
Betriebswirt
1989 : VOL. 30:2, p.24-29 |
1989 | Hellmann, W. Sprink, J. |