Zaborski, M., and M. Lipińska. “Properties of Butadiene-Acrylonitrile Rubber Containing Precipitated Aminoacid Modified Chalk”. Polimery, vol. 47, no. 6, Sept. 2022, pp. 428-35, https://polimery.ichp.vot.pl/index.php/p/article/view/1986.