Where does the gas fueling star formation in brightest cluster galaxies originate?S. Molendi, P. Tozzi, M. Gaspari, S. De Grandi, F. Gastaldello, S. Ghizzardi and M. RossettiA&A, 595 (2016) A123DOI: https://doi.org/10.1051/0004-6361/201628338