%% -*-BibTeX-*- @Article{AlevrasGroetschelWessaely1998, author = "Dimitris Alevras and Martin Gr{\"o}tschel and Roland Wess{\"a}ly", title = "Cost-efficient network synthesis from leased lines", journal = "Annals of Operations Research", volume = "76", pages = "1--20", year = "1998", classmath = "*90B18 90C35 90C11 90C27 90C90 94A99", language = "English", }