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Ultraviolet Fe II emission in z ∼ 2 quasars
(WILEY-BLACKWELL PUBLISHING, 2009)
ATLASGAL – The APEX telescope large area survey of the galaxy at 870 μm
(ESO, 2009-02-20)
Correlation and time delays of the X-ray and optical emission of the Seyfert Galaxy NGC 3783
(WILEY-BLACKWELL, 2009-08-21)
Semantics and Complexity of SPARQL
(ASSOC COMPUTING MACHINERY, 2009-08)