Jieyi Long Hai Zhou Seda Ogrenci Memik An <i>O</i>(<i>n</i>log<i>n</i>) edge-based algorithm for obstacle-avoiding rectilinear steiner tree construction. 126-133 2008 ISPD http://doi.acm.org/10.1145/1353629.1353658 conf/ispd/2008 db/conf/ispd/ispd2008.html#LongZM08