Long-term variability of extragalactic radio sources in the Planck Early Release Compact Source CatalogueX. Chen, J. P. Rachen, M. López-Caniego, C. Dickinson, T. J. Pearson, L. Fuhrmann, T. P. Krichbaum and B. PartridgeA&A, 553 (2013) A107DOI: https://doi.org/10.1051/0004-6361/201220517
