Fundamental properties of red-clump stars from long-baseline H-band interferometry A. Gallenne, G. Pietrzyński, D. Graczyk, N. Nardetto, A. Mérand, P. Kervella, W. Gieren, S. Villanova, R. E. Mennickent and B. Pilecki A&A, 616 (2018) A68 Published online: 21 August 2018 DOI: 10.1051/0004-6361/201833341