Xin Li Yuchun Ma Xianlong Hong Sheqin Dong Jason Cong LP based white space redistribution for thermal via planning and performance optimization in 3D ICs. 209-212 2008 ASP-DAC http://dx.doi.org/10.1109/ASPDAC.2008.4483942 conf/aspdac/2008 db/conf/aspdac/aspdac2008.html#LiMHDC08