Asymptotic and measured large frequency separations B. Mosser, E. Michel, K. Belkacem, M. J. Goupil, A. Baglin, C. Barban, J. Provost, R. Samadi, M. Auvergne and C. Catala A&A, 550 (2013) A126 Published online: 06 February 2013 DOI: 10.1051/0004-6361/201220435