%% -*-BibTeX-*- @Article{AaHoKoMaSa03, author = "K. I. Aardal and C. P. M. {v}an Hoesel and A. M. C. A. Koster and C. Mannino and A. Sassano", title = "Models and Solution Techniques for the Frequency Assignment Problem", journal = "4OR: Quarterly Journal of the Belgian, French and Italian Operations Research Societies", volume = "1", number = "4", pages = "261--317", year = "2003", language = "English", }