Brezocnik, M., J. Balic, and L. Gusel. “Artificial Intelligence Approach to Determination of Flow Curve”. Advanced Technologies and Materials, vol. 25, no. 1-2, Dec. 2000, pp. 1-8, https://atm-journal.uns.ac.rs/index.php/atm/article/view/jtp.2000.26.1.1.