Author

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G. L. Groeneveld
147 articles by this author
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Article
 01-05-1980
 Unique: 697 | Total: 1163  | Access Period:
 191-197
Article
 01-11-1978
 Unique: 604 | Total: 953  | Access Period:
 549-550
Article
 01-06-1977
 Unique: 595 | Total: 917  | Access Period:
 297-298
Article
 01-12-1976
 Unique: 603 | Total: 1003  | Access Period:
 643-647
Article
 01-04-1973
 Unique: 611 | Total: 958  | Access Period:
 106-119
Article
 01-02-1973
 Unique: 622 | Total: 991  | Access Period:
 48-52
Article
 01-10-1970
 Unique: 684 | Total: 1103  | Access Period:
 362-370
Article
 01-09-1967
 Unique: 712 | Total: 1146  | Access Period:
 383-391
Article
 01-09-1961
 Unique: 633 | Total: 1023  | Access Period:
 303-306
Article
 01-03-1961
 Unique: 926 | Total: 1890  | Access Period:
 109-121

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