This work is public domain.

Everybody all over the world is at least free to share, modify and
distribute it to other people.

You do not have to mention the other or the source, but you are
invited to do.

You are allowed to use the content for commercial, educational or any
other reason you want.

This work is hereby released into the Public Domain. To view a copy of the public domain dedication, visit http://creativecommons.org/licenses/publicdomain/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.

Warranty
If something is wrong then you can contact the author to correct this but you are not allowed to get any commercial compensation for the consequences of the
mistake.

Anmerkung fr Deutschland:

Da man in Deutschland sein Urheberrecht nicht abtreten darf, mchte ich den Deutschen, die diese Arbeit nutzen das Maximum an Rechten zukommen lassen, dass sie an dieser Arbeit haben knnen.
Ich mchte alle einladen Sie weiter zu verteilen, zu modifizieren, sie fr eigene Vortrge zu nutzen oder auch sie zu korrigieren.
