Heilmann, W. ; Kühl, H. (Thesis advisor) ; Dettmering, W. (Thesis advisor)
URL: https://publications.rwth-aachen.de/record/815421/files/815421_kardex.pdf
Macherey, W. (Author) ; Ney, H. (Thesis advisor)
URN: urn:nbn:de:hbz:82-opus-32093