Bernhard Ganter, and Sergei O. Kuznetsov. Proceedings of the 9th International Conference on Conceptual Structures ICCS 2001, volume 2120 of Lecture Notes in Computer Science, page 129-142. Springer, (2001)
Bernhard Ganter, and Sergei O. Kuznetsov. Proceedings of the 9th International Conference on Conceptual Structures ICCS 2001, volume 2120 of Lecture Notes in Computer Science, page 129-142. Springer, (2001)
Bernhard Ganter, and Sebastian Rudolph. Proceedings of the 9th International Conference on Conceptual Structures ICCS 2001, volume 2120 of Lecture Notes in Computer Science, page 143-156. Springer, (2001)
Bernhard Ganter, and Sebastian Rudolph. Proceedings of the 9th International Conference on Conceptual Structures ICCS 2001, volume 2120 of Lecture Notes in Computer Science, page 143-156. Springer, (2001)
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