(Ingelesez)Lam, Hoanh An; Miller, Steven; Joseph, Robert D.; Geballe, Thomas R.; Trafton, Laurence M.; Tennyson, Jonathan; Ballester, Gilda E.. (1997-01-01). «Variation in the H[FORMULA[F][SUP]+[/SUP][INF]3[/INF][/F][/FORMULA] Emission of Uranus»] The Astrophysical Journal 474 (1): L73–L76. doi:10.1086/310424. ISSN0004-637X. (Noiz kontsultatua: 2018-10-31).
(Ingelesez)Lam, Hoanh An; Miller, Steven; Joseph, Robert D.; Geballe, Thomas R.; Trafton, Laurence M.; Tennyson, Jonathan; Ballester, Gilda E.. (1997-01-01). «Variation in the H[FORMULA[F][SUP]+[/SUP][INF]3[/INF][/F][/FORMULA] Emission of Uranus»] The Astrophysical Journal 474 (1): L73–L76. doi:10.1086/310424. ISSN0004-637X. (Noiz kontsultatua: 2018-10-31).
(Ingelesez)Lam, Hoanh An; Miller, Steven; Joseph, Robert D.; Geballe, Thomas R.; Trafton, Laurence M.; Tennyson, Jonathan; Ballester, Gilda E.. (1997-01-01). «Variation in the H[FORMULA[F][SUP]+[/SUP][INF]3[/INF][/F][/FORMULA] Emission of Uranus»] The Astrophysical Journal 474 (1): L73–L76. doi:10.1086/310424. ISSN0004-637X. (Noiz kontsultatua: 2018-10-31).