Pistun, Y., Mysak, S., Kovalenko, T. and Lys, S. 2017. Development of the analytical method for determining the armor wear of the drum ball mill. Eastern-European Journal of Enterprise Technologies. 5, 1 (89) (Oct. 2017), 45–50. DOI:https://doi.org/10.15587/1729-4061.2017.109629.