X-RAY-SPECTRA OF SOLAR-FLARES OBTAINED WITH A HIGH-RESOLUTION BENT CRYSTAL SPECTROMETER - Culhane, J; Gabriel, A; Acton, L; Rapley, C; Phillips, K; Wolfson, C; Antonucci, E; Bentley, R; Catura, R; Jordan, C; Kayat, M; Kent, B; et al. (1981)