Zhijun Huang Milos D. Ercegovac Two-dimensional signal gating for low-power array multiplier design. 489-492 2002 ISCAS (1) http://doi.ieeecomputersociety.org/10.1109/ISCAS.2002.1009884 db/conf/iscas/iscas2002-1.html#HuangE02