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Zooming into the broad line region of the gravitationally lensed quasar QSO 2237 + 0305 ≡ the Einstein Cross - III. Determination of the size and structure of the C iv and C iii] emitting regions using microlensing

A&A, 528 (2011) A100
DOI: https://doi.org/10.1051/0004-6361/201016110