.. _license:

Appendix C: License
===================

This work is licensed under the Creative Commons Attribution-Share Alike, United States License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/us/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

Our attribution requirement is that you retain the visible copyright notices in all materials.