@InProceedings{Genova:2002:UML,
  author =       "Gonzalo G{\'e}nova and Juan Llorens and V{\'\i}ctor
                  Quintana",
  title =        "Digging into Use Case Relationships",
  pages =        "115--127",
  booktitle =    "UML 2002 - The Unified Modeling Language. Model
                  Engineering, Languages, Concepts, and Tools. 5th
                  International Conference, Dresden, Germany,
                  September/October 2002, Proceedings",
  editor =       "Jean-Marc J{\'e}z{\'e}quel and Heinrich Hussmann and
                  Stephen Cook",
  publisher =    "Springer",
  series =       "LNCS",
  volume =       "2460",
  year =         "2002",
}