Gary William Grewal Thomas Charles Wilson Ming Xu Dilip K. Banerji Shrubbery: A New Algorithm for Quickly Growing High-Quality Steiner Trees. 855-862 2004 conf/vlsid/2004 VLSI Design http://csdl.computer.org/comp/proceedings/vlsid/2004/2072/00/20720855abs.htm db/conf/vlsid/vlsid2004.html#GrewalWXB04