Accretion geometry in the persistent Be/X-ray binary RXJ0440.9+4431C. Ferrigno, R. Farinelli, E. Bozzo, K. Pottschmidt, D. Klochkov and P. KretschmarEPJ Web of Conferences, 64 (2014) 06002DOI: https://doi.org/10.1051/epjconf/20136406002