@conference{IS-2005-KraljEtAl-SubgroupVizualization,
   author = {Petra Kralj and Nada Lavra\v{c} and Bla\v{z} Zupan},
   title = {Subgroup Visualization},
   booktitle  = {Proceedings of the 8th International Multiconference Information Society (IS 2005)},
   year = {2005},
   pages = {228--231},
   ISSN = {1581-9973}
}