Maksimchuk, P., A. Masalov, V. Seminko, O. Viagin, V. Klochkov, and Y. Malyukin. “Abnormal Low Linewidth Temperature Broadening Observed for YVO4:Eu Nanocrystals”. Ukrainian Journal of Physics, vol. 57, no. 2, Feb. 2012, p. 193, doi:10.15407/ujpe57.2.193.