Meckl-Sloan, Cynthia. “Lorenz Meckl How His Invention Impacted the Automobile Industry”. The International Journal of Science & Technoledge 5, no. 5 (May 31, 2017). Accessed July 7, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/123535.