Local analysis of multi-dimensional signals
   @InProceedings{sommerzang06icpr,
  author = 	 {G. Sommer and D. Zang},
  title = 	 {Local analysis of multi-dimensional signals},
  booktitle =	 {ICNAAM Internaltional Conference on Numerical Analysis and Applied Mathematics 2006},
editor =       {T.E. Simos and G. Pshoyios and Ch.Tsitouras},
  publisher =    {WILEY-VCH Verlag, Weinheim},
    pages =	 {628-629}
}