↑Shigehisa Takakuwa, Kazuhiro Kiyokane, Kazuya Saigo et Masao Saito, « Dispersing Envelope around the Keplerian Circumbinary Disk in L1551 NE and Its Implications for Binary Growth », The Astrophysical Journal, vol. 814, no 2, , p. 160 (DOI10.1088/0004-637X/814/2/160, Bibcode2015ApJ...814..160T, arXiv1510.08353).