1 W.B. Landsman, J.. Murthy, R.C. Henry, H.W. Moos, J.L. Linsky, A.. Vidal-Madjar, and C.. Gry, Advances in Space Research 6, (1986).
1 T.R. Ayres, W.B. Landsman, J.L. Linsky, G.S. Basri, R.C. Henry, H.W. Moos, and R.E. Stencel, The Astrophysical Journal 256, (1982).