1 A.. Krishnamurthi, C.S. Reynolds, J.L. Linsky, E.. Martín, and M.. Gagne, The Astronomical Journal 121, (2001).
1 R.A. Osten, A.. Brown, T.R. Ayres, J.L. Linsky, S.A. Drake, M.. Gagne, and R.A. Stern, The Astrophysical Journal 544, (2000).