@article{Castangia:2012gm, author = "Castangia, Paola and Tarchi, Andrea and Panessa, Francesca and Henkel, Christian and Malizia, Angela and Bassani, Loredana and Bazzano, Angela", title = "{Water maser and hard X-ray emission in AGN}", doi = "10.22323/1.147.0068", journal = "PoS", year = 2012, volume = "Extremesky 2011", pages = "068" }