Lemaire, P., Vial, J.-C., Curdt, W., Schühle, U., & Wilhelm, K. (2015). Hydrogen Ly-α and Ly-β full Sun line profiles observed with SUMER/SOHO (1996-2009). Astronomy and Astrophysics, 581: A26, pp. 1-7. doi:10.1051/0004-6361/201526059.