1. The Sunrise Mission
2. Spectroscopy at the solar limb
3. Beck, C., & Rezaei, R. 2011b, VizieR Online Data Catalog: J/A+A/531/173
4. Beck, C., & Rezaei, R. 2012, in Magnetic Fields from the Photosphere to the Corona, eds. T. R. Rimmele, A. Tritschler, F. Wöger, et al., ASP Conf. Ser., 463, 257
5. Polarimetric Littrow Spectrograph – instrument calibration and first measurements