Szwedziak, K., I. Stadnyk, S. Golyachuk, and Żaneta Grzywacz. “Justification of the Rheological Model of Process of Plastic Material Injection by the Rollers”. Agricultural Engineering , Vol. 23, no. 3, Sept. 2019, pp. 101-14, doi:10.1515/agriceng-2019-0030.