@proceedings{HK2004B,
  editor = {Torben Hagerup and Jyrki Katajainen},
  title = {Proceedings of the 9th Scandinavian Workshop on Algorithm Theory},
  series = {Lecture Notes in Computer Science},
  volume = {3111},
  publisher = {Springer-Verlag},
  year = {2004},
  pagetotal = {xi+506},
}