@misc{SchnerrJantzenHuber1991,
  author    = {Schnerr, G. H. and Jantzen, Hans-Arno and Huber, R. R.},
  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},
  year      = {1991},
  language  = {en}
}