Bajer, K., R. Malinowski, D. Bajer, and S. Richert. “Properties of poly(lactic Acid) Ecoflex Rigid Foil Sheets Applied in Thermof Orming Process”. Polimery 55, no. 7-8 (August 30, 2010): 591–593. Accessed December 22, 2024. https://polimery.ichp.vot.pl/index.php/p/article/view/1045.