Exploring the accretion-ejection geometry of GRS 1915+105 in the obscured state with future X-ray spectro-polarimetryA. Ratheesh, G. Matt, F. Tombesi, P. Soffitta, M. Pesce-Rollins and A. Di MarcoA&A, 655 (2021) A96DOI: https://doi.org/10.1051/0004-6361/202140701