Ten-year optical monitoring of PKS 0735+178: historical comparison, multiband behavior, and variability timescalesS. Ciprini, L. O. Takalo, G. Tosti, C. M. Raiteri, M. Fiorucci, M. Villata, G. Nucciarelli, L. Lanteri, K. Nilsson and J. A. RosA&A, 467 2 (2007) 465-483DOI: https://doi.org/10.1051/0004-6361:20052646