B. Ganter, and S. Obiedkov. Conceptual Structures at Work: 12th International Conference on Conceptual Structures, volume 3127 of Lecture Notes in Computer Science, page 186-195. Springer, (2004)
S. Krolak-Schwerdt, P. Orlik, and B. Ganter. Studies in Classification, Data Analysis, and Knowledge Organization, volume 4 of Information systems and data analysis, Springer, Berlin, (1994)
S. Krolak-Schwerdt, P. Orlik, and B. Ganter. Studies in Classification, Data Analysis, and Knowledge Organization, volume 4 of Information systems and data analysis, Springer, Berlin, (1994)