@misc{indiciae36fdb4311aa0,
  title = {A microlensing model for QSO 2237 + 0305},
  author = {Wambsganss, J. and Paczynski, B. and Katz, N.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900041722},
  note = {Source identifier: 19900041722}
}