1. Domingo, V., Fleck, B., Poland, A.I.: The scientific payload of the space-based Solar and Heliospheric Observatory (SOHO). Space Sci. Rev. 70, 7 (1994)
2. Gruber, D.E., et al.: The high energy X-ray timing experiment on XTE. Astron. Astrophys. Suppl. Ser. 120, 641 (1996)
3. Harvey, J.E., Krywonos, A., Atanassova, M., Thompson, P.L.: The Solar X-ray Imager on GOES-13: design, analysis, and on-orbit performance. SPIE 6689, 14 (2007)
4. Hudson, H.S.: Solar flares, microflares, nanoflares, and coronal heating. Sol. Phys. 133, 357 (1991)
5. Knoll, G.F.: Radiation Detection and Measurement. Wiley, New York (1999)