Yu Hu Tong Jing Xianlong Hong Zhe Feng 0002 Xiaodong Hu Guiying Yan An-OARSMan: obstacle-avoiding routing tree construction with good length performance. 7-12 2005 conf/aspdac/2005 ASP-DAC http://doi.acm.org/10.1145/1120725.1120732 db/conf/aspdac/aspdac2005.html#HuJHFHY05