@techreport{MPEG-P563,
  author = {Ohm, Jens-Rainer and Makai, Bela},
  title = {Color cluster descriptor},
  institution = {{ISO/IEC JTC1/SC29/WG11}},
  year = {1999},
  type = {Doc.},
  number = {P563},
  address = {Lancester},
  month = jan
}