A. Burrow, and P. Eklund. Proceedings of the 3rd International Conference on Conceptual Structures, page 76-80. Department of Computer Science, University California, Santa Cruz, (1995)Andrew's ideas about canonical rules driving the editing interface to CGs, later implemented in WebKB-GE by Simon.
D. Corbett, and A. Burrow. Supplementary Proceedings of International Conference on Conceptual Structures, ICCS '96, University of New South Wales, (1996)
B. Groh, and P. Eklund. Conceptual Structures:Standards and Practice: 7th International Conference on Conceptual Graphs, ICCS'99, 1640, page 389-400. Springer Verlag, (1999)
P. Martin, and P. Eklund. Conceptual Structures:Standards and Practice: 7th International Conference on Conceptual Graphs, ICCS'99, 1640, page 230-246. Springer Verlag, (1999)
P. Eklund. 7th International Conference on Conceptual Structures, 1867, page 339-420. Springer Verlag, (2000)invited paper at ICCS, good summary of KVO's work at the time.
B. Groh, and P. Eklund. Proceedings of the 9th International Conference on Conceptual Structures, page 33-46. Department of Computer Science, University Laval, (2001)