Andrew B. Kahng, Ion I. Mandoiu, Alexander Zelikovsky. Practical Approximations of Steiner Trees in Uniform Orientation Metrics. In Teofilo F. Gonzalez, editor, Handbook of Approximation Algorithms and Metaheuristics, Second Edition, Volume 1: Methologies and Traditional Applications. pages 657-669, Chapman and Hall/CRC, 2018. [doi]
Abstract is missing.