@article{becker_rauw_linder_2009, 
  title={SPECTROSCOPIC STUDY OF THE VARIABILITY OF THREE NORTHERN Of+SUPERGIANTS}, 
  volume={704}, 
  DOI={10.1088/0004-637x/704/2/964}, 
  publisher={IOP Publishing}, 
  author={Becker and Rauw and Linder}, 
  year={2009}, 
  month={Sep}
  }