1. Zachariasen, W.H., Notizüber die Krystallstruktur von Phenakite, Willemite und verwandten Verbindungen, Norsk Geol. Tidsskrift, 1926, vol. 9, pp. 65–73.
2. Simonov, M.A., Sandomirskii, P.A., Egorov-Tismenko, Yu.K., and Belov, N.V., Crystal structure of willemite, Zn2SiO4, Dokl. Akad. Nauk SSSR, 1977, vol. 237, no. 3, pp. 581–584.
3. Warner, T.E., Synthesis, Properties and Mineralogy of Important Inorganic Materials, Willey, 2011, p. 211.
4. Klassen, H.V., Kedrov, V.V., Shmurak, S.Z., et al., New radiation-hard devices for ionizing radiation monitoring and direct radiation conversion to electrical energy based on nanostructured materials, Yad. Izmer.-Inform. Tekhnol., 2011, vol. 38, no. 4, pp. 36–41.
5. Gal’china, N.A., Kogan, L.M., Soshchin, N.P., et al., Electroluminescence spectra of ultraviolet light-emitting diodes based on p-n InGaN/AlGaN/GaN hetero-structures coated with phosphors, Semiconductors, 2007, vol. 41, no. 9, pp. 1143–1148.