Roberto Catanuto Stavros Toumpis Giacomo Morabito On asymptotically optimal routing in large wireless networks and Geometrical Optics analogy. 1939-1955 2009 53 Computer Networks 11 http://dx.doi.org/10.1016/j.comnet.2009.02.021 db/journals/cn/cn53.html#CatanutoTM09