@unpublished{LaeuterRamadan2011,
  author  = {Henning L{\"a}uter and Ayad Ramadan},
  title   = {Statistical Scaling of Categorical Data},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Mathematische Statistik und Wahrscheinlichkeitstheorie : Preprint},
  number    = {2010, 01},
  year    = {2011},
}