Article ISI
ASTRONOMY & ASTROPHYSICS  (2010)

Unveiling the nature of INTEGRAL objects through optical spectroscopy VIII. Identification of 44 newly detected hard X-ray sources

Masetti, N; Parisi, P; Palazzi, E; Jimenez-Bailon, E; Chavushyan, V; Bassani, L; Bazzano, A; Bird, AJ; Dean, AJ; Charles, PA; Galaz, G; Landi, R; Malizia, A; Mason, E; McBride, VA; Minniti, D; Morelli, L; Schiavone, F; Stephen, JB; Ubertini, P