@article{AlcaldeMediavillaMoreauetal.2002,
  author    = {D. Alcalde and E. Mediavilla and O. Moreau and Y. De Rop and R. Barrena and Rodrigo Gil-Merino and B. A. McLeod and V. Motta and Alejandro Oscoz and M. Serra-Ricart},
  title     = {QSO 2237+0305 VR light curves from Gravitational Lenses International Time Project optical monitoring},
  year      = {2002},
}