@techreport{MPEG-M5391,
  author = {Ohm, Jens-Rainer and Bunjamin, Ferry and Zier, Detlef},
  title = {Results of {MPEG-7} Core Experiment {CT4}},
  institution = {{ISO/IEC JTC1/SC29/WG11}},
  year = {1999},
  type = {Doc.},
  number = {M5391},
  month = dec
}