Media type: E-Article Title: Conceptual Structures: Broadening the Base: Mathematical Support for Empirical Theory Building Contributor: Strahringer, Selma; Wille, Rudolf; Wille, Uta Published: Springer Berlin Heidelberg, 2001 Published in: Conceptual Structures: Broadening the Base (2001), Seite 169-186 Language: Not determined DOI: 10.1007/3-540-44583-8_13 ISBN: 9783540423447; 9783540445838 ISSN: 0302-9743 Origination: Footnote: