search query: @author Petersen, P. / total: 2
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| title | year | author | ||
| 2. |
Datamation
1981 : FEB, VOL. 27:2, p. 81-82, 84 |
1981 | Petersen, P. |
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SCIMA
| title | year | author | ||
| 2. |
Datamation
1981 : FEB, VOL. 27:2, p. 81-82, 84 |
1981 | Petersen, P. |