@INPROCEEDINGS{PagPenSchSteTayWid02,
  AUTHOR =       {A. Pagourtzis and P. Penna and K. Schlude and K. Steinhoefel and D. S. Taylor and P. Widmayer},
  TITLE =        {Server Placements, Roman Domination and other Dominating Set Variants},
  BOOKTITLE =    {Proc. of the 2nd International Conference on Theoretical Computer Science (IFIP-TCS)},
  YEAR =         {2002},
  publisher =    {Kluwer Academic Press},
  pages =        {280-291}
}