Curmei, N. D., G. V. Klishevich, and V. I. Melnyk. “Low-Temperature Electron Spectra of Impurities in Naphtalene Crystals”. Ukrainian Journal of Physics 59, no. 3 (October 19, 2018): 209. Accessed February 6, 2023. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018430.