Anisoplanatism effects in Shack-Hartmann Wave Front Sensing with Laser Guide Stars on the ELTsN. Muller, C. Robert, V. Michau, T. Fusco, C. Petit, J.-M. Conan, N. Vedrenne and G. Rousset1st AO4ELT conference - Adaptive Optics for Extremely Large Telescopes, (2010) 05015DOI: https://doi.org/10.1051/ao4elt/201005015