RR Lyrae star distance scale and kinematics from inner bulge to 50 kpcAndrei Dambis, Leonid Berdnikov, Eva Grebel, Alexey Kniazev, Igor Katkov and Tesfaye DagneEPJ Web Conf., 152 (2017) 02007DOI: https://doi.org/10.1051/epjconf/201715202007