@article{DBLP:journals/entcs/ArenasDMM06,
  title = "Preface.",
  author = "Alvaro E. Arenas and Jin Song Dong and Andrew Martin and Brian Matthews",
  year = "2006",
  journal = "Electr. Notes Theor. Comput. Sci.",
  number = "2",
  pages = "1",
  volume = "151",
}