Hierarchical design error diagnosis in combinational circuits by stuck-at fault test patternsUbar, Raimund-Johannes; Jutman, ArturProceedings of the 6th International Conference on Mixed Design of Integrated Circuits and Systems : MIXDES'99 : Krakow, Poland, 17-19 June 19991999 / p. 437-442 : ill https://www.sciencedirect.com/science/article/pii/S0026271499002036