@INPROCEEDINGS{BFS02,
   author       = "Besz\'edes, \'Arp\'ad and Farag\'o, {Cs}aba and Szab\'o, {Zs}olt Mih\'aly and Csirik, J\'anos and Gyim\'othy, Tibor",
   title        = "Union Slices for Program Maintenance",
   booktitle    = "Proceedings of the IEEE International Conference on Software Maintenance (ICSM 2002)",
   publisher    = "IEEE Computer Society",
   year         = 2002,
   month        = oct,
   pages        = "12-21",
   location     = "Montr\'eal, Canada"
}