1. M. Zamfirescu, A. Kavokin, B. Gil, G. Malpuech, and M. Kaliteevski, Phys. Rev. B: Condens. Matter Mater. Phys., 65, No. 16, 1205–1209 (2002).
2. H. Morkoc and U. Ozgur, Zinc Oxide: Fundamentals, Materials and Device Technology, Wiley-VCH (2009).
3. E. N. Budilova, V. A. Nikitenko, and S. M. Kokin, Izv. Ross. Akad. Nauk, Ser. Fiz., 79, No. 2, 181–185 (2015) [E. N. Budilova, V. A. Nikitenko, and S. M. Kokin, Bull. Russ. Acad. Sci.: Phys., 79, No. 2, 160–164 (2015)].
4. V. A. Nikitenko and S. M. Kokin, in: Proc. 9th Belarusian-Russian Seminar "Semiconducting Lasers and Systems Based on Them" [in Russian], May 28–31, 2013, Minsk, NAN Belarusi (2013), pp. 111–114.
5. I. P. Kuz′mina and V. A. Nikitenko, Zinc Oxide. Preparation and Optical Properties [in Russian], Nauka, Moscow (1984).