S. Prediger. Conceptual Structures: Theory, Tools and
Applications, Volume 1453 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (1998)
E. Salvat, und M. Mugnier. Conceptual Structures: Knowledge Representation as
Interlingua, Volume 1115 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (1996)