A Resonance Line Rations Method for Determining Flare Temperatures Using YOHKOH BCS Spectra Sterling, A. C. ; Doschek, G. ; Mariska, J. T. ; Hiei, E. ; Watanabe, T. Abstract Publication: X-ray solar physics from Yohkoh Pub Date: 1994 Bibcode: 1994xspy.conf..127S