Wiik, J. E., Dammasch, I. E., Schmieder, B., & Wilhelm, K. (1999). Multiple-thread model of a prominence observed by SUMER and EIT on SOHO and by GBOs. In A., Antalova, H., Blathasar, & A., Kucera (Eds.), JOSO Annual Report 1998 (pp. 184-185).