Hagenkötter, M. ; Fritzsche, C. H. (Thesis advisor) ; Dohmen, F. (Thesis advisor)
URL: https://publications.rwth-aachen.de/record/817301/files/817301_kardex.pdf
Zimmermann, A. (Author) ; Jarke, M. (Thesis advisor)
URN: urn:nbn:de:hbz:82-opus-21740