Alan Mishchenko Satrajit Chatterjee Robert K. Brayton Improvements to Technology Mapping for LUT-Based FPGAs. 240-253 2007 26 IEEE Trans. on CAD of Integrated Circuits and Systems 2 http://dx.doi.org/10.1109/TCAD.2006.887925 db/journals/tcad/tcad26.html#MishchenkoCB07