Copyright Policy

General Materials

General materials may be copied and redistributed, in print and electronically, with the following conditions: It cannot be sold or bartered, it must be quoted in full,

with no alterations, and it must properly cite the source article at  If it is distributed in electronic form, the citation must be hyperlinked to the source article.

Paid Materials

Paid materials include subscription articles, and ebook downloads.  You may make and distribute LIMITED print copies of subscriber materials.  You may NOT republish or post it on any website or blog.

You may NOT sell or barter it.

Public Domain Materials

Materials in the public domain may be reproduced and distributed liberally.

Third Party Materials

Materials kindly provided by third parties are clearly labeled, and may not be redistributed in any way unless otherwise indicated.

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Updated: February 24, 2015 — 10:48 PM