Haihua Yan Adit D. Singh Evaluating the Effectiveness of Detecting Delay Defects in the Slack Interval: A Simulation Study. 242-251 2004 conf/itc/2004 ITC http://doi.ieeecomputersociety.org/10.1109/ITC.2004.70 db/conf/itc/itc2004.html#YanS04