1 D.N. Burrows, E.A. Michael, U.. Hwang, R.A. Chevalier, G.P. Garmire, S.S. Holt, J.P. Hughes, K.T. Lewis, R.A. McCray, J.A. Nousek, R.. Petre, C.. Rakowski, P.O. Slane, and L.K. Townsley, in (SPIE, Munich, Germany, 2000).
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