%% -*-BibTeX-*- @Article{TorresTorresBorndoerferPfetsch2011, author = "Luis M. Torres and Ramiro Torres and Ralf Bornd{\"o}rfer and Marc E. Pfetsch", title = "Line Planning on Paths and Tree Networks with Applications to the {Q}uito {T}roleb{\'u}s {S}ystem", journal = "Int. Trans. Oper. Res.", volume = "18", number = "455--472", year = "2011", note = "{ZIB} Report 08-53", URL = "http://opus.kobv.de/zib/volltexte/2008/1148/", doi = "10.1111/j.1475-3995.2010.00802.x", language = "English", }