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Translated from Teoreticheskaya i éksperimental'naya Khimiya, Vol. 18, No. 3, pp. 323–327, May–June, 1982.
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Godik, V.A., Davydov, S.N., Konoplev, G.G. et al. Quantum-chemical investigation of the triplet states of fluorene, carbazole, and dibenzofuran. Theor Exp Chem 18, 285–289 (1983). https://doi.org/10.1007/BF00519851
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DOI: https://doi.org/10.1007/BF00519851