%% -*-BibTeX-*- @InProceedings{BorndoerferHeismann2012, author = "Ralf Bornd{\"{o}}rfer and Olga Heismann", editor = "Diethard Klatte and Hans-Jacob L{\"u}thi and Karl Schmedders", booktitle = "Operations Research Proceedingsm 2011", title = "{M}inimum {C}ost {H}yperassignments with {A}pplications to {ICE/IC} {R}otation {P}lanning", publisher = "Springer Verlag", pages = "59--64", year = "2011", note = "{ZIB} Report 11-46", URL = "http://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/1456", language = "English", }