C. Roth, S. Obiedkov, and D. Kourie. Concept Lattices and Their Applications, volume 4923 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2008)
J. Poelmans, P. Elzinga, S. Viaene, and G. Dedene. Conceptual Structures: From Information to
Intelligence, volume 6208 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2010)
T. Tilley, and P. Eklund. 18th International Workshop on Database and Expert
Systems Applications (DEXA), page 545--550. IEEE Computer Society, (September 2007)