The inner two degrees of the Milky Way - Evidence of a chemical difference between the Galactic Center and the surrounding inner bulge stellar populationsM. Schultheis, R. M. Rich, L. Origlia, N. Ryde, G. Nandakumar, B. Thorsbro and N. NeumayerA&A, 627 (2019) A152DOI: https://doi.org/10.1051/0004-6361/201935772
