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Thank you for the comment!
My goal is to collect knowledge in most of my articles, therefore I think it is crucial to know at least some of the sources. When I read one of my older articles I would like to see where I got the information, because quite often I don't remember. And this is also the way I learned to publish material during my studies. Naturally, I do not claim to fully work at a scientific level on steemit. That would require much more time and end up with no one reading the material...

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