LaTeX.org

Ok, I got it. Forgot the

\addbibresource{literatur/bib.bib}

Now it works. Thanks. Hope it works also for my thesis

Thank you Johannes for your quick answer. I installed biblatex and biber. I configure the biber-command in kile after that instruction:
http://tex.stackexchange.com/questions/154751/biblatex-with-biber-configuring-my-editor-to-avoid-undefined-citations/154763#154763

My example.tex looks like that ...

Hello everyone,

I try to create two bibliographies, one for literature and one for pics. My original problem is that the second auxiliary-file consists of double entries. For reducing complexity, I created a smaller example, but this worked neither. I hope you can help me with solving the small ...