Crystal-field effects in the kagome antiferromagnet ${Ho}_{3}{Ru}_{4}{Al}_{12}$ - D. I. Gorbunov, T. Nomura, I. Ishii, M. S. Henriques, A. V. Andreev, M. Doerr, T. Stöter, T. Suzuki, S. Zherlitsyn, and J. Wosnitza (American Physical Society (APS), 2018)
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Keywords: U