QSO 2237+0305 VR light curves from gravitational lenses international time project optical monitoring

1. Alcalde, D.
2. Mediavilla, E.
3. Moreau, O.
4. Muñoz, J.A.
5. Libbrecht, C.
6. Goicoechea, L.J.
7. Surdej, J.
8. Puga, E.
9. De Rop, Y.
10. Barrena, R.
11. Gil-Merino, R.
12. McLeod, B.A.
13. Motta, V.
14. Oscoz, A.
15. Serra-Rlcart, M.