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- An observability measure to enhance statement coverage metric for proper evaluation of verification completenessTai-Ying Jiang, Chien-Nan Jimmy Liu, Jing-Yang Jou. aspdac 2005: 323-326 [doi]
- An Efficient Evaluation and Vector Generation Method for Observability-Enhanced Statement CoverageWei Lu, Xiu-Tao Yang, Tao Lv, Xiao-Wei Li. jcst, 20(6):875-884, 2005. [doi]