@techreport{SchmidTawakoliPadillaetal.2009,
  author    = {Schmid, Reiner and Tawakoli, Taghi and Padilla, Alfredo and Vesali, Alireza},
  title     = {Estimation of Grinding Wheel Topography Using Sets of Defocused Images},
  series    = {Forschungsbericht},
  pages     = {22 -- 27},
  year      = {2009},
  language  = {en}
}