Wilhelm, K., Lemaire, P., Dammasch, I. E., Hollandt, J., Schühle, U., Curdt, W., Kucera, T., Hassler, D. M., & Huber, M. C. E. (1999). Solar irradiances of UV and EUV lines during the minimum of the sunspot activity in 1996. Advances in Space Research, 24, 229-232.