1. Aardal, K., Hoesel, S., Koster, A., Mannino, C., Sassano, A.: Models and Solution Techniques: Frequency Assignment Problems, ZIB Report 01-40 (2001)
2. Allen, S.M., Smith, D.H., Hurley, S.: Lower Bounding Techniques for Frequency Assignment. Discrete Mathematics 197, 41–52 (1999)
3. Borndörfer, R., Eisenblätter, A., Grötschel, M., Martin, A.: The Orientation Model for Frequency Assignment Problem, Tech. Report TR 98-01, Konrad-Zuse-Zentrum für Informationstechnik Berlin (1998)
4. CPLEX Division: CPLEX 9.0 Users’ Manual, ILOG Inc. (2004)
5. Fischetti, M., Lepschy, C., Minerva, G., Romanin-Jacur, G., Toto, E.: Frequency Assignment in Mobile Radio Systems Using Branch-and-cut Techniques. European Journal of Operational Research 123, 241–255 (2000)