@article{ refId0,
	author = {{L\"ohner-B\"ottcher, J.} and {Schmidt, W.} and {Doerr, H.-P.} and {Kentischer, T.} and {Steinmetz, T.} and {Probst, R. A.} and {Holzwarth, R.}},
	title = {LARS: An Absolute Reference Spectrograph for solar observations - Upgrade from a prototype to a turn-key system},
	DOI= "10.1051/0004-6361/201731164",
	url= "https://doi.org/10.1051/0004-6361/201731164",
	journal = {A\&A},
	year = 2017,
	volume = 607,
	pages = "A12",
}

@PHDTHESIS{2015PhDT.......200D,
   author = {{Doerr}, H.-P.},
    title = "{Precision spectroscopy with a frequency-comb-calibrated solar spectrograph}",
 keywords = {spectroscopy, calibration, frequency comb, Sun},
   school = {University of Freiburg},
     year = 2015,
    month = June,
      doi = {10.6094/UNIFR/10822},
   adsurl = {https://ui.adsabs.harvard.edu/abs/2015PhDT.......200D},
  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}