@inproceedings{PeekenTroederSchmidtetal.2014,
  author    = {Heinz Peeken and Christoph Troeder and J. Schmidt and Josef Rosenkranz},
  title     = {Principles of machine noise reduction},
  booktitle = {Inter-noise 85 : proceedings ; 1985 international conference on noise control engineering ; Munich, Sept. 18 - 20, 1985. - (Schriftenreihe der Bundesanstalt f{\"u}r Arbeitsschutz : Tagungsbericht ; 39)},
  pages     = {23 -- 36},
  year      = {2014},
}