Stączek, P., and S. Płaska. 2013. “Automated Control of the Preform Reheating Process in the Manufacturing of poly(ethylene Terephthalate) Containers. Part II. Identification of the Dynamical Properties of Controlled Object”. Polimery 58 (2):121-26. https://ichp.vot.pl/index.php/p/article/view/718.