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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:52, 31 March 2008 | 2,602 × 1,804 (683 KB) | Silly rabbit | {{Information |Description=Teaching machine, designed by B. F. Skinner |Source=self-made |Date=March 31, 2008 |Author= Silly rabbit |Permission={{gfdl-self}} |other_versions= }} |
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