Media type: E-Article Title: A Conceptual Modelling Framework for Knowledge-level Reflection Contributor: Reinders, Martin; Vinkhuyzen, Erik; Voß, Angi; Akkermans, Hans; Balder, John; Bartsch-Spörl, Brigitte; Bredeweg, Bert; Drouven, Uwe; van Harmelen, Frank; Karbach, Werner; Karssen, Zeger; Schreiber, Guus; Wielinga, Bob imprint: IOS Press, 1991 Published in: AI Communications Language: Not determined DOI: 10.3233/aic-1991-42-305 ISSN: 0921-7126 Keywords: Artificial Intelligence Origination: Footnote: