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Summary
| Description |
Français : Le problème de la bougie. A- Composantes du problème. B- Solution |
| Date | |
| Source | Duncker, Karl (1945) On Problem Solving, Psychological Monographs, 58, American Psychological Association OCLC: 968793. |
| Author | Karl Duncker |
| Permission (Reusing this file) |
A search was made from the copyright renewals in 1972[1][2] and the first half of 1973[3] (but admittedly not the second half of 1973[4] because it is not organized in an easily searchable manner) under the titles "A.P.A", "American Psychological Association", "APA", "Duncker", "On Problem Solving", and "Psychological Monographs" - no entries were found. This book appears not to have renewed its copyright. |
Licensing
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This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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Original upload log
Transferred from en.wikipedia to Commons by Khayman using CommonsHelper.
The original description page was here. All following user names refer to en.wikipedia.
- 2006-04-17 14:20 Jdick1 366×388× (12056 bytes) Duncker, K.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:02, 7 September 2012 | | 366 × 388 (12 KB) | File Upload Bot (Magnus Manske) | Transfered from en.wikipedia by User:Khayman using CommonsHelper |
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