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Giridhar, Sunetra; Lambert, David L.; Gonzalez, Guillermo (2000). "Abundance Analyses of Field RV Tauri Stars. V. DS Aquarii, UY Arae, TW Camelopardalis, BT Librae, U Monocerotis, TT Ophiuchi, R Scuti, and RV Tauri". The Astrophysical Journal. 531 (1): 521–536. arXiv:astro-ph/9909081. Bibcode:2000ApJ...531..521G. doi:10.1086/308451. S2CID119408774.
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Giridhar, Sunetra; Lambert, David L.; Gonzalez, Guillermo (2000). "Abundance Analyses of Field RV Tauri Stars. V. DS Aquarii, UY Arae, TW Camelopardalis, BT Librae, U Monocerotis, TT Ophiuchi, R Scuti, and RV Tauri". The Astrophysical Journal. 531 (1): 521–536. arXiv:astro-ph/9909081. Bibcode:2000ApJ...531..521G. doi:10.1086/308451. S2CID119408774.
Giridhar, Sunetra; Lambert, David L.; Gonzalez, Guillermo (2000). "Abundance Analyses of Field RV Tauri Stars. V. DS Aquarii, UY Arae, TW Camelopardalis, BT Librae, U Monocerotis, TT Ophiuchi, R Scuti, and RV Tauri". The Astrophysical Journal. 531 (1): 521–536. arXiv:astro-ph/9909081. Bibcode:2000ApJ...531..521G. doi:10.1086/308451. S2CID119408774.