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Yeah you are right, maybe i will do a correction read once again.

Regarding to the wikipedia resource criticism:
I have looked up many different sources and they only had small potions of infornation in it, which would make the resource reference much more complicated. I checked all the resources linked in those wiki articles and other sources in order to verfiy the information i had written down.

But thanks for your critism, it was the first time i really want to show, where the information i am writing about is coming from.