Alexander Stempkovsky Alexey Glebov Sergey Gavrilov Calculation of stress probability for NBTI-aware timing analysis. 714-718 2009 ISQED http://dx.doi.org/10.1109/ISQED.2009.4810381 conf/isqed/2009 db/conf/isqed/isqed2009.html#StempkovskyGG09