Use of the English Version of this website

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However, provided you do not erase or alter the copyright elements or the creators names, you may download , print and make copies of these pages for your own personal , non-commercial use only. But you may not post them to a website,forum, blog or e-mail , nor modify them without express written permission from the Author.

Teachers may distribute them in printed format to their students for use in the classroom or at home.