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This image is a derivative work of the following images:

• File:060826_parallel_displacement.png licensed with PD-user-w
  • 2010-05-15T18:49:14Z Carlog3 939x788 (22626 Bytes) {{Information |Description={{en|1=author = complexica}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date={{Date|2006|08|27}} (original upload date) |Author=Original uploader was [[:en:User:Complexica|Comple

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