Publication
SPECTROSCOPIC IDENTIFICATIONS OFSPITZERSOURCES IN THE SWIRE/XMM-NEWTON/ELAIS-S1 FIELD: A LARGE FRACTION OF ACTIVE GALACTIC NUCLEI WITH HIGHF(24 μm)/F(R) RATIO
N. Sacchi, F. La Franca, C. Feruglio, F. Fiore, S. Puccetti, F. Cocchia, S. Berta, M. Brusa, A. Cimatti, A. Comastri, A. Franceschini, C. Gruppioni, R. Maiolino, I. Matute, M. Polletta, L. Pozzetti, F. Pozzi, C. Vignali, G. Zamorani, S. Oliver, M. Rowan-Robinson, G. Smith, C. Lonsdale
The Astrophysical Journal, September 2009, Institute of Physics Publishing
DOI: 10.1088/0004-637x/703/2/1778