Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
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Electron-Nuclear-Double-Resonance and Electron-Paramagnetic-Resonance Analysis of the Ytterbium-Fluorine Superhyperfine Interaction in Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>:<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Yb</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>
Paramagnetic Resonance and Relaxation of Trivalent Rare-Earth Ions in Calcium Fluoride. I. Resonance Spectra and Crystal Fields
The 7 references without a DOI — listed, not checked
no DOI — not checkedS. A. Altshuler and B. M. Kozyrev, Electron Paramagnetic Resonance of Compounds of Elements of Intermediate Groups (Nauka, Moscow, 1972) [in Russian].
no DOI — not checkedA. Abragam and B. Bleaney, Electron Paramagnetic Resonance of Transition Ions (Oxford Univ., London, 1970), Vol. 2.
no DOI — not checkedB. G. Berulava, T. I. Sanadze, and O. G. Khakhanishvili, Sov. Phys. JETP 21, 288 (1965).
no DOI — not checkedT. T. Basiev, V. V. Fedorov, Yu. V. Orlovskii, K. K. Pukhov, A. Ya. Karasik, I. N. Kurkin, S. P. Kurzin, D. A. Lukoyanov, and J. Heber, in Proceedings of the 11th Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth Ions, Kazan, 2001, Abstracts PF-18.
no DOI — not checkedN. E. Kask, L. S. Kornienko, and M. Fakir, Sov. Phys. Solid State 6, 430 (1964).
no DOI — not checkedN. E. Kask, L. S. Kornienko, and E. G. Lariontsev, Sov. Phys. Solid State 8, 2058 (1966).
no DOI — not checkedS. M. Arkhipov and B. Z. Malkin, Sov. Phys. Solid State 22, 857 (1980).
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