Debabrata Ghosh Ghosh, D., & Brglez, F. (1999). Equivalence classes of circuit mutants for experimental design. Proceedings of the 1999 IEEE International Symposium on Circuits and systems, 6, 432–435. https://doi.org/10.1109/iscas.1999.780187 Stallmann, M., Brglez, F., & Ghosh, D. (1999). Heuristics and experimental design for bigraph crossing number minimization. In Algorithm Engineering and Experimentation: International workshop ALENEX '99, Baltimore, MD, USA, Jan. 15-16, 1999. (Vol. 1619, pp. 74–93). https://doi.org/10.1007/3-540-48518-x_5