@techreport{AardalHoeselKosteretal.2001, author = {Karen I. Aardal and Stan P.M. van Hoesel and Arie M.C.A. Koster and Carlo Mannino and Antonio Sassano}, title = {Models and Solution Techniques for Frequency Assignment Problems}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {01-40}, language = {eng}, year = {2001} }