@inproceedings{GanianHKLOR09,
 author = {Robert Ganian and
Petr Hlin{\v e}n{\'{y}} and
Joachim Kneis and
Alexander Langer and
Jan Obdrz{\'{a}}lek and
Peter Rossmanith},
 booktitle = {Parameterized and Exact Computation, 4th International Workshop, {IWPEC}
2009, Copenhagen, Denmark, September 10-11, 2009, Revised Selected
Papers},
 pages = {185--197},
 publisher = {Springer},
 series = {Lecture Notes in Computer Science},
 title = {On Digraph Width Measures in Parameterized Algorithmics},
 volume = {5917},
 year = {2009}
}