4-year optical-infrared photometric and polarimetric behaviors of a gamma-ray blazar 3C 454.3 M. Sasada, M. Uemura, Y. Fukazawa, R. Itoh, K. Kawabata and M. Yoshida EPJ Web of Conferences, 61 (2013) 06009 Published online: 09 December 2013 DOI: 10.1051/epjconf/20136106009