@article{LouisMaass1993,
  author    = {Louis, Alfred K. and Maaß, Peter},
  title     = {Contour reconstructions for 3D X-Ray CT-Images},
  year      = {1993},
  language  = {en}
}
@article{LouisMaassRiederetal.1994,
  author    = {Louis, Alfred K. and Maaß, Peter and Rieder, Andreas and Stark, H.-G.},
  title     = {Wavelets and digital image processing},
  year      = {1994},
  language  = {en}
}