1 E.M. Murphy, K.R. Sembach, B.K. Gibson, J.M. Shull, B.D. Savage, K.C. Roth, H.W. Moos, J.C. Green, D.G. York, and B.P. Wakker, The Astrophysical Journal 538, (2000).
1 J.M. Shull, J.. Tumlinson, E.B. Jenkins, H.W. Moos, B.L. Rachford, B.D. Savage, K.R. Sembach, T.P. Snow, G.. Sonneborn, D.G. York, W.P. Blair, J.C. Green, S.D. Friedman, and D.J. Sahnow, The Astrophysical Journal 538, (2000).