Ismo Hänninen Jarmo Takala Reliability of n-Bit Nanotechnology Adder. 34-39 2008 ISVLSI http://dx.doi.org/10.1109/ISVLSI.2008.6 conf/isvlsi/2008 db/conf/isvlsi/isvlsi2008.html#HanninenT08