Author

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Jan Klaassen
27 articles by this author
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Article
 01-11-1991
 Unique: 474 | Total: 854  | Access Period:
 545-550
Article
 01-06-1990
 Unique: 371 | Total: 695  | Access Period:
 224-225
Article
 01-10-1988
 Unique: 388 | Total: 681  | Access Period:
 418-419
Article
 01-09-1988
 Unique: 1011 | Total: 1929  | Access Period:
 356-367
Article
 01-02-1984
 Unique: 627 | Total: 1558  | Access Period:
 61-70
Article
 01-03-1982
 Unique: 410 | Total: 726  | Access Period:
 111-122
Article
 01-05-1981
 Unique: 441 | Total: 863  | Access Period:
 258-269
Article
 01-02-1981
 Unique: 417 | Total: 763  | Access Period:
 101-117
Article
 01-02-1981
 Unique: 362 | Total: 623  | Access Period:
 51-51
Article
 01-12-1978
 Unique: 564 | Total: 963  | Access Period:
 581-590
Article
 01-07-1977
 Unique: 415 | Total: 718  | Access Period:
 330-335

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