Боледзюк, В. Б., Ковалюк, З. Д., Шевчик, В. В., Камінский, В. М. and Шевченко, А. Д. (2012) “Occurrence of ferromagnetism in layered semiconductors GaSe, intercalated with cobalt”, Eastern-European Journal of Enterprise Technologies, 2(5(56), pp. 12–15. doi: 10.15587/1729-4061.2012.3724.