Default Reasoning with Preference Within Only Knowing Logic. - Iselin Engan; Tore Langholm; Espen H. Lian; Arild Waaler (LPNMR, 2005)

Using Dependent CORAS Diagrams to Analyse Mutual Dependency. - Gyrd Brændeland; Heidi E. I. Dahl; Iselin Engan; Ketil Stølen (CRITIS, 2007)