Omid F. Valilai and Mahmoud Houshmand, LAYMOD; A Layered and Modular Platform for CAx Collaboration Management and Supporting Product data Integration based on STEP Standard. journal = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2011, vol. 54(6). 633 - 641 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/13314.