Bruhns, O.T., H. Xiao, and A. Meyers. 2000. “Henky’s Elasticity Model With the Logarithmic Strain Measure: A Study on Poynting Effect and Stress Response in Torsion of Tubes and Rods”. Archives of Mechanics 52 (4-5): 489-509. https://am.ippt.pan.pl/index.php/am/article/view/v52p489.