Chih-Hung Liu, Chun-Xun Lin, I.-Che Chen, D. T. Lee, Ting-Chi Wang. Efficient Multilayer Obstacle-Avoiding Rectilinear Steiner Tree Construction Based on Geometric Reduction. IEEE Trans. on CAD of Integrated Circuits and Systems, 33(12):1928-1941, 2014. [doi]
Abstract is missing.