@techreport{BorndoerferScheltenSchlechteetal.2005, author = {Ralf Bornd{\"o}rfer and Uwe Schelten and Thomas Schlechte and Steffen Weider}, title = {A Column Generation Approach to Airline Crew Scheduling}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {05-37}, language = {eng}, year = {2005} }