search query: @author Ketzner, H. / total: 1
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| title | year | author | ||
| 1. |
Journal of Systems Management
1989 : JAN, VOL. 40:1, p. 7-9 |
1989 | Ketzner, H. |
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SCIMA
| title | year | author | ||
| 1. |
Journal of Systems Management
1989 : JAN, VOL. 40:1, p. 7-9 |
1989 | Ketzner, H. |