Optical spectroscopic observations of γ-ray blazar candidates. II. The 2013 KPNO campaign in the northern hemisphereDOI: info:10.1051/0004-6361/201425119v. 575EDP SciencesA124
Massaro, Francesco, Landoni, M., D'Abrusco, Raffaele, Milisavljevic, D., Paggi, A., Masetti, N., Smith, H. A., and Tosti, G. 2015. "Optical spectroscopic observations of γ-ray blazar candidates. II. The 2013 KPNO campaign in the northern hemisphere." Astronomy and Astrophysics, 575 A124. https://doi.org/10.1051/0004-6361/201425119.