Author

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Klaus Weihrauch
FernUniversität Hagen
Hagen, Germany
6 articles by this author
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Research Article
 Unique: 506 | Total: 658  | Access Period:
 750-770
Research Article
 Unique: 445 | Total: 558  | Access Period:
 2733-2753
Research Article
 Unique: 427 | Total: 491  | Access Period:
 1381-1422
Research Article
 Unique: 404 | Total: 465  | Access Period:
 1301-1316
Research Article
 Unique: 338 | Total: 377  | Access Period:
 845-860
Research Article
 Unique: 354 | Total: 409  | Access Period:
 801-844

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