Near infrared polarimetry of a sample of blazars J. A. Acosta Pulido, A. Pereyra, I. Agudo, I. Agulli, M. Carnerero, N. Castro Segura, J.L. Gómez, S. Jorstad and A. Marscher EPJ Web of Conferences, 61 (2013) 06007 Published online: 09 December 2013 DOI: 10.1051/epjconf/20136106007