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Revealing X-ray obscured quasars in SWIRE sources with extreme mid-IR/optical flux ratios

G. Lanzuisi, E. Piconcelli, F. Fiore, C. Feruglio, C. Vignali, M. Salvato and C. Gruppioni

A&A, 498 1 (2009) 67-81

Published online: 24 February 2009

DOI: 10.1051/0004-6361/200811282

G. Lanzuisi

E. Piconcelli

F. Fiore

C. Feruglio

C. Vignali

M. Salvato

C. Gruppioni

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