@article{GoicoecheaGilMerinoSerraRicartetal.2001,
  author    = {Goicoechea, Luis Julian and Gil-Merino, Rodrigo and Serra-Ricart, M. and Mediavilla, E. and Oscoz, Alejandro and Alcalde, D.},
  title     = {The nature of dark matter in elliptical (cD) galaxies : main lens galaxy of Q0957+561},
  isbn      = {1-583-81074-9},
  year      = {2001},
  language  = {en}
}