Mark Mascal; Nema Hafezi; Nabin K. Meher & James C. Fettinger (2008). „Oxatriquinane and Oxatriquinacene: Extraordinary Oxonium Ions”. Journal of the American Chemical Society. 130 (41): 13532—13533. PMID18798616. doi:10.1021/ja805686u.
Tim Reid (2008-10-03). „Oxonium ions: Ring of stability”. Nature Chemistry. doi:10.1038/nchem.70.
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Mark Mascal; Nema Hafezi; Nabin K. Meher & James C. Fettinger (2008). „Oxatriquinane and Oxatriquinacene: Extraordinary Oxonium Ions”. Journal of the American Chemical Society. 130 (41): 13532—13533. PMID18798616. doi:10.1021/ja805686u.