File:SMDcompared.jpeg Source: en.wikipedia.org/wiki/File:SMDcompared.jpeg
Summary
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My own work
Licensing
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 | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. |
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