Sucharev, Y. I., B. A. Markov, T. I. Prolubnikova, and I. I. Lebedeva. 2012. “Quasi-Periodic Noise Oscillations in Oxyhydrates of Rare-Earth Elements”. Eurasian Chemico-Technological Journal 14 (1):61-72. https://doi.org/10.18321/ectj101.