![](/img/cover-not-exists.png)
The central image of a gravitationally lensed quasar
Winn, Joshua N., Rusin, David, Kochanek, Christopher S.Volume:
427
Year:
2004
Language:
english
Pages:
3
DOI:
10.1038/nature02279
File:
PDF, 155 KB
english, 2004