Fomin, V. I., Gnezdilov, V. P., Kurnosov, V. S., Peschanskii, A. V., Yeremenko, A. V., Schmid, H., Rivera, J.-P., & Gentil, S. (2002). Raman scattering in LiNiPO4 single crystal. ФІЗИКА НИЗЬКИХ ТЕМПЕРАТУР, 28(3), 288–296. https://doi.org/10.1063/1.1468525