File:Whitening-filter.png

La bildo estas kopiita de wikipedia:en. La originala priskribo estas:

Created on my computer using the Openoffice drawing program.

{| border="1" ! date/time || username || edit summary
 * 19:38, 5 May 2005 || |}
 * 19:38, 5 May 2005 || |}

Historio de la dosiero
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 * (del) (cur) 15:00, 23 February 2006 . . * (del) (rev) 19:38, 5 May 2005 ..