Arifur Rahman Shamik Das Anantha P. Chandrakasan Rafael Reif Wiring requirement and three-dimensional integration technology for field programmable gate arrays. 44-54 2003 11 IEEE Trans. VLSI Syst. 1 http://doi.ieeecomputersociety.org/10.1109/TVLSI.2003.810003 db/journals/tvlsi/tvlsi11.html#RahmanDCR03