W. Skarka, “Contemporary problems connected with including Standard for the Exchange of Product Model Data (ISO 10303 - STEP) in designing ontology using UML and XML”, Comp. Assist. Methods Eng. Sci., vol. 12, no. 2-3, pp. 231–246, Sep. 2005, Accessed: Apr. 03, 2026. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/992