Why the Milky Way’s bulge is not only a bar formed from a cold thin diskP. Di Matteo, A. Gómez, M. Haywood, F. Combes, M. D. Lehnert, M. Ness, O. N. Snaith, D. Katz and B. SemelinA&A, 577 (2015) A1DOI: https://doi.org/10.1051/0004-6361/201424457