Analysis of a grinding efficiency in the electromagnetic mill for variable process and feed parametersMarta Wołosiewicz-Głąb, Dariusz Foszcz, Daniel Saramak, Tomasz Gawenda and Damian KrawczykowskiE3S Web Conf., 18 (2017) 01012DOI: https://doi.org/10.1051/e3sconf/201712301012