Kuczma, Mieczysław S. “A Viscoelastic-Plastic Model for Skeletal Structural Systems With Clearances”. Computer Assisted Methods in Engineering and Science 6, no. 1 (March 31, 1999): 83–106. Accessed March 5, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/1327.