%% -*-BibTeX-*- @Article{CaSt99, author = "D. J. Castelino and N. M. Stephens", title = "A Surrogate Constraint Tabu Thresholding Implementation for the Frequency Assignment Problem", journal = "Annals of Operations Research", volume = "86", pages = "259--270", year = "1999", URL = "http://ipsapp007.lwwonline.com/content/getfile/4495/18/10/abstract.htm", language = "English", }