WOLNY, Stanisław, and Sławomir BADURA. “Stress Analysis in Structural Components of the Koepe Pulley in Hoisting Installations”. Engineering Transactions 60, no. 2 (August 23, 2014): 155–170. Accessed January 17, 2026. http://et.ippt.gov.pl/index.php/et/article/view/122.