The Gaia-ESO Survey: Probes of the inner disk abundance gradient H. R. Jacobson, E. D. Friel, L. Jílková, L. Magrini, A. Bragaglia, A. Vallenari, M. Tosi, S. Randich, P. Donati, T. Cantat-Gaudin et al. (34 more) A&A, 591 (2016) A37 Published online: 07 June 2016 DOI: 10.1051/0004-6361/201527654