@techreport{,
TITLE = {Sixth Biennial Report : August 2001 -- May 2003},
EDITOR = {{MPI for Informatics, Max Planck Society}},
LANGUAGE = {eng},
INSTITUTION = {Max-Planck-Institut f{\"u}r Informatik},
ADDRESS = {Saarbr{\"u}cken},
YEAR = {2003},
DATE = {2003},
TYPE = {Biennial Report / Max-Planck-Institut für Informatik},
VOLUME = {6},
}