Atmospheric turbulence in phase-referenced and wide-field interferometric images - Application to the Square Kilometre ArrayI. Martí-Vidal, J. C. Guirado, S. Jiménez-Monferrer and J. M. MarcaideA&A, 517 (2010) A70DOI: https://doi.org/10.1051/0004-6361/200913803