1. |
V. S. Arakelyan, T. I. Butaeva, P. H. Muzhikyan, D. G. Zargaryan, R. B. Kostanyan, “Structure of the $R_{1}$ and $R_{2}$ bands of isotopes of the Cr$^{3+}$ ion in ruby single crystal at room temperature”, Optics and Spectroscopy, 129:4 (2021), 494–505 ; Optics and Spectroscopy, 129:4 (2021), 440–451 |