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Barnbaum, Cecilia; Stone, Remington P. S; Keenan, Philip C. A Moderate-Resolution Spectral Atlas of Carbon Stars: R, J, N, CH, and Barium Stars. The Astrophysical Journal Supplement Series. 1996, 105: 419. Bibcode:1996ApJS..105..419B. doi:10.1086/192323.
Cruzalèbes, P; Jorissen, A; Rabbia, Y; Sacuto, S; Chiavassa, A; Pasquato, E; Plez, B; Eriksson, K; Spang, A; Chesneau, O. Fundamental parameters of 16 late-type stars derived from their angular diameter measured with VLTI/AMBER★. Monthly Notices of the Royal Astronomical Society. 2013, 434 (1): 437–450. Bibcode:2013MNRAS.434..437C. S2CID 49573767. arXiv:1306.3288. doi:10.1093/mnras/stt1037.