Microspheres as potential fillers in composite polymeric materialsAnna Magiera, Monika Kuźnia, Wojciech Jerzak, Magdalena Ziąbka, Radosław Lach and Bartosz HandkeE3S Web Conf., 108 (2019) 02009DOI: https://doi.org/10.1051/e3sconf/201910802009