Optical polarisation variability of radio-loud narrow-line Seyfert 1 galaxies - Search for long rotations of the polarisation planeE. Angelakis, S. Kiehlmann, I. Myserlis, D. Blinov, J. Eggen, R. Itoh, N. Marchili and J. A. ZensusA&A, 618 (2018) A92DOI: https://doi.org/10.1051/0004-6361/201832890
