%% -*-BibTeX-*- @Article{BjVaYu05, author = "P. Bj{\"o}rklund and P. V{\"a}rbrand and D. Yuan", title = "Optimal Frequency Planning in Mobile Networks with Frequency Hopping", journal = "Computers and Operations Research", volume = "32", pages = "169--186", year = "2005", language = "English", }