Enhancements and Ontological Use of ISO-10303 (STEP) to Support the Exchange of Parameterised Product Data Models. - Franz Maier; Markus Stumptner (ISDA, 2007)

Ontology-based Process Modeling and Execution Using STEP/EXPRESS. - Arndt Mühlenfeld; Wolfgang Mayer; Franz Maier; Markus Stumptner (SEKE, 2008)