%% -*-BibTeX-*- @TechReport{HuTi95, author = "C. A. J. Hurkens and S. R. Tiourine", title = "Upper and Lower Bounding Techniques for Frequency Assignment Problems", number = "COSOR 95--34", institution = "Eindhoven University of Technology", year = "1995", URL = "ftp://ftp.win.tue.nl/pub/techreports/cosor/95-34.ps", language = "English", }