@article{RichterWinkelWakkeretal.2018,
  author    = {Philipp Richter and Benjamin Winkel and Bart P. Wakker and N. M. Pingel and Andrew J. Fox and G. Heald and Rene A. M. Walterbos and C. Fechner and N. Ben Bekhti and G. Gentile and Laura Zschaechner},
  title     = {Circumgalactic Gas at Its Extreme},
  journal   = {The astrophysical journal : an international review of spectroscopy and astronomical physics},
  series    = {Tidal Gas Streams around the Whale Galaxy NGC 4631 Explored with HST/COS},
  volume    = {868},
  number    = {2},
  doi       = {10.3847/1538-4357/aae838},
  year      = {2018},
}