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Rosino, L. «The Spectra of Variables of the RV Tauri and Yellow Semiregular Types». Astrophysical Journal, 113, 1951, pàg. 60. Bibcode: 1951ApJ...113...60R. DOI: 10.1086/145377.
Soszyński, I.; Udalski, A.; Szymański, M. K.; Kubiak, M.; Pietrzyński, G.; Wyrzykowski, Ł.; Szewczyk, O.; Ulaczyk, K.; Poleski, R. «The Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. IV. Long-Period Variables in the Large Magellanic Cloud». Acta Astronomica, 59, 3, 2009, pàg. 239. arXiv: 0910.1354. Bibcode: 2009AcA....59..239S.
Wood, P. R. «Variable Red Giants in the LMC: Pulsating Stars and Binaries?». Publications of the Astronomical Society of Australia, 17, 1, 2000, pàg. 18–21. Bibcode: 2000PASA...17...18W. DOI: 10.1071/AS00018.