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Creative Commons License
This blog (ISSN 2328-8167) is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.  I am the author of its posts and licensed pages.  When making use of the blog’s contents, please include this form of attribution: “Used under a Creative Commons BY-SA license from Dagmar A. Riedel.”  If your needs for the material are outside the scope of this license, please consider fair use or contact me for permission at dar2111 [at]

Dagmar A. Riedel

First published, 15 May 2013

Last updated, 24 March 2021

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