(en) A. Granada et al., « Simultaneous K- and L-band spectroscopy of Be stars: circumstellar envelope properties from hydrogen emission lines », The Astronomical Journal, , p. 1983–1992 (DOI10.1088/0004-6256/139/5/1983, Bibcode2010AJ....139.1983G)
(en) A. Granada et al., « Simultaneous K- and L-band spectroscopy of Be stars: circumstellar envelope properties from hydrogen emission lines », The Astronomical Journal, , p. 1983–1992 (DOI10.1088/0004-6256/139/5/1983, Bibcode2010AJ....139.1983G)