Hossein Asadi Mehdi Baradaran Tahoori Chandra Tirumurti Estimating Error Propagation Probabilities with Bounded Variances. 41-49 2007 DFT http://doi.ieeecomputersociety.org/10.1109/DFT.2007.51 conf/dft/2007 db/conf/dft/dft2007.html#AsadiTT07