@article{GilMerinoWisotzkiWambsganss2002,
  author    = {Rodrigo Gil-Merino and Lutz Wisotzki and Joachim Wambsganß},
  title     = {The Double Quasar HE 1104-1805 : a case study for time delay determination with poorly sampled lightcurves},
  year      = {2002},
}