2000

Eklund, P.; Groh, B.; Stumme, G. & Wille, R. (2000), Contextual-Logic Extension of TOSCANA., in B. Ganter & G. W. Mineau, ed., 'Conceptual Structures: Logical, Linguistic, and Computational' , Springer, Heidelberg , pp. 453-467 .

Groh, B. & Wille, R. (2000), Lattices of Triadic Concept Graphs, in B. Ganter & G. W. Mineau, ed., 'Conceptual Structures: Logical, Linguistic, and Computational Issues' , Springer, , pp. 332-341 .