%% -*-BibTeX-*- @InCollection{Groetschel2007a, author = "Martin Gr{\"o}tschel", editor = "Stephan Hu{\ss}mann and Brigitte Lutz-Westphal", booktitle = "Kombinatorische Optimierung erleben -- In Studium und Unterricht", title = "Schnelle Rundreisen: Das Travelling-Salesman-Problem", chapter = "4", publisher = "Vieweg", address = "Wiesbaden", pages = "95--128", year = "2007", ISBN = "978-3-528-03216-6", URL = "http://link.springer.com/chapter/10.1007/978-3-8348-9120-4_4", classmath = "00A35 97C70", language = "German", }