The role of explanations in an intelligent assistant system. - Jürgen Herrmann; Matthias Kloth; Frank Feldkamp (Artif. Intell. Eng., 1998)

SyDeR–System design for reusability. - Frank Feldkamp; Michael Heinrich; Klaus Dieter Meyer-Gramann (Artif. Intell. Eng. Des. Anal. Manuf., 1998)