Kramer, T.
(1991),
The Off-Line Programming System (OLPS): A Prototype STEP-Based N-C Program Generator, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821242
(Accessed December 13, 2024)