Convective blueshifts in the solar atmosphere - I. Absolute measurements with LARS of the spectral lines at 6302 ÅJ. Löhner-Böttcher, W. Schmidt, F. Stief, T. Steinmetz and R. HolzwarthA&A, 611 (2018) A4DOI: https://doi.org/10.1051/0004-6361/201732107
