@article{mérand_kervella_foresto_perrin_ridgway_aufdenberg_brummelaar_mcalister_sturmann_sturmann_et al._2006, 
  title={Extended envelopes around Galactic Cepheids}, 
  volume={453}, 
  DOI={10.1051/0004-6361:20054466}, 
  publisher={EDP Sciences}, 
  author={Mérand and Kervella and Foresto and Perrin and Ridgway and Aufdenberg and Brummelaar and McAlister and Sturmann and Sturmann and et al.}, 
  year={2006}, 
  month={Jun}
  }