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T. Tilley, R. Cole, P. Becker, and P. Eklund. chapter A Survey of Formal Concept Analysis Support for Software Engineering Activities, Springer-Verlag, Berlin, Heidelberg, (2005)
T. Tilley, R. Cole, P. Becker, and P. Eklund. Formal Concept Analysis: Foundations and
Applications, volume 3626 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2005)