\input zb-basic \input zb-ioport \iteman{io-port 05744943} \itemau{Chen, Tung-Chieh; Cho, Minsik; Pan, David Z.; Chang, Yao-Wen} \itemti{Metal-density-driven placement for CMP variation and routability.} \itemso{IEEE Trans. Comput.-Aided Des. Integr. Circuits Syst. 27, No. 12, 2145-2155 (2008).} \itemcc{} \itemut{} \itemli{doi:10.1109/TCAD.2008.2006148} \end