Multiwavelength variability study and search for periodicity of PKS 1510–089 G. Castignani, E. Pian, T. M. Belloni, F. D’Ammando, L. Foschini, G. Ghisellini, T. Pursimo, A. Bazzano, V. Beckmann, V. Bianchin et al. (7 more) A&A, 601 (2017) A30 Published online: 25 April 2017 DOI: 10.1051/0004-6361/201629775