Chih-Hung Liu, Sy-Yen Kuo, D. T. Lee, Chun-Syun Lin, Jung-Hung Weng, Shih-Yi Yuan. Obstacle-Avoiding Rectilinear Steiner Tree Construction: A Steiner-Point-Based Algorithm. IEEE Trans. on CAD of Integrated Circuits and Systems, 31(7):1050-1060, 2012. [doi]
Abstract is missing.