“Spectral Characteristics of Ultrafine Particles Zn2 SiO4-Mn, Precipitated From an Aqueous Solution on the Substrate in Electric or Magnetic Fields”. East European Journal of Physics, vol. 3, no. 4, Mar. 2017, pp. 66-71, https://doi.org/10.26565/2312-4334-2016-4-07.