Shingo Watanabe Masanori Hashimoto Toshinori Sato A case for exploiting complex arithmetic circuits towards performance yield enhancement. 401-407 2009 ISQED http://dx.doi.org/10.1109/ISQED.2009.4810328 conf/isqed/2009 db/conf/isqed/isqed2009.html#WatanabeHS09