Age and helium content of the open cluster NGC 6791 from multiple eclipsing binary members - I. Measurements, methods, and first resultsK. Brogaard, H. Bruntt, F. Grundahl, J. V. Clausen, S. Frandsen, D. A. VandenBerg and L. R. BedinA&A, 525 (2011) A2DOI: https://doi.org/10.1051/0004-6361/201015503
