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Contributions to ICCS 2005. Kassel : kassel university press, 2005. - ISBN 3-89958-138-5

Conceptual Structures -- Broadening the Base. Proc. 9th International Conference on Conceptual Structures LNAI. 2120. Heidelberg : Springer, 2001

Eklund, P. ; Groh, B. ; Stumme, G. ; Wille, R. ; Ganter, B. (Bearb.) ; Mineau, G. W. (Bearb.): Contextual-Logic Extension of TOSCANA.. 1867. In: Conceptual Structures: Logical, Linguistic, and Computational. Heidelberg : Springer, 2000 (LNAI), S. 453-467

Stumme, G.: 8th {I}nternational {C}onference on {C}onceptual {S}tructures. {C}onference {R}eport. In: Knowledge Organization, 27 (2000), Nr. 3, S. 162

Working with Conceptual Structures -- Contributions to ICCS 2000. Suppl. Proc. 8th International Conference on Conceptual Structures (ICCS 2000). Aachen : Shaker, 2000

Mineau, Guy ; Stumme, Gerd ; Wille, Rudolf ; Tepfenhart, W. (Bearb.) ; Cyre, W. (Bearb.): Conceptual Structures Represented by Conceptual Graphs and Formal Concept Analysis. 1640. In: Conceptual Structures: Standards and Practices. Proc. ICCS '99. Heidelberg : Springer, 1999 (LNAI), S. 423-441