Conceptual Structures: Fulfilling Peirce's Dream Fifth International Conference on Conceptual Structures, ICCS'97, Seattle, Washington, USA, August 3-8, 1997. Proceedings. - Lukose, Dickson; Lukose, Dickson; Delugach, Harry; Delugach, Harry; Keeler, Mary; Keeler, Mary; Searle, Leroy; Searle, Leroy; Sowa, John; Sowa, John (Springer Berlin Heidelberg : Imprint: Springer, 1997)