Kumarswamy, S. and Subramanian, R. (1971) “O Pewnym Stochastycznym Modelu dla Problemu Uderzenia”, Engineering Transactions, 19(1), pp. 85–95. Available at: https://et3.ippt.pan.pl/index.php/et/article/view/2532 (Accessed: 25 April 2025).