Cai, Y.-H., Y.-H. Zhang, and L.-S. Zhao. “Effect of Modified Calcium Carbonate on the Thermal and Mechanical Properties of Biodegradable poly(L-Lactic Acid)”. Polimery 60, no. 2 (February 28, 2015): 95-99. Accessed April 16, 2024. http://polimery.ichp.vot.pl/index.php/p/article/view/505.