File:Scheme3b.gif

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Description	English: drawn by me
Date	17 December 2005 (original upload date)
Source	Transferred from en.wikipedia; transferred to Commons by User:Waihorace using CommonsHelper.
Author	Original uploader was E kwan at en.wikipedia
Permission ( Reusing this file)	Released into the public domain (by the author).

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This work has been released into the public domain by its author, E kwan at the wikipedia project. This applies worldwide.

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