@techreport{BorndoerferNeumannPfetsch2008, author = {Ralf Bornd{\"o}rfer and Marika Neumann and Marc Pfetsch}, title = {The Line Connectivity Problem}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {08-31}, language = {eng}, year = {2008} }