(en) N. Ginestet, J. M. Carquillat et C. Jaschek, « Spectral classifications in the near infrared of stars with composite spectra. III. Study of a sample of 137 objects with the Aurelie spectrograph », Astronomy & Astrophysics Supplement, vol. 134, no 3, , p. 473 (DOI10.1051/aas:1999444, Bibcode1999A&AS..134..473G)
(en) N. Ginestet, J. M. Carquillat et C. Jaschek, « Spectral classifications in the near infrared of stars with composite spectra. III. Study of a sample of 137 objects with the Aurelie spectrograph », Astronomy & Astrophysics Supplement, vol. 134, no 3, , p. 473 (DOI10.1051/aas:1999444, Bibcode1999A&AS..134..473G)