@misc{SchnerrJantzenHuber1991,
  author    = {G. H. Schnerr and H.-A. Jantzen and R. R. Huber},
  title     = {"Digital Image Processing for Schlieren Optics", EUROMECH 279 "Image Analysis as Measuring Technique in Flows", Delft University of Technology, the Netherlands, July 02-05},
  institution = {Maschinenbau (MB)},
  type      = {lecture},
  year        = {1991},
}