%% -*-BibTeX-*- @InCollection{JaKi98a, author = "J. Janssen and K. Kilakos", editor = "B. Sans{\'o} and P. Soriano", booktitle = "Telecommunications Network Planning", title = "Tile Covers, Closed Tours and the Radio Spectrum", chapter = "14", publisher = "Kluwer Academic Publishers", year = "1998", note = "previously published as report CDAM-97-08, London School of Economics", language = "English", }