Searching for supergiant fast X-ray transients with Swift P. Romano, E. Bozzo, P. Esposito, B. Sbarufatti, F. Haberl, G. Ponti, P. D’Avanzo, L. Ducci, A. Segreto, C. Jin et al. (4 more) A&A, 593 (2016) A96 Published online: 29 September 2016 DOI: 10.1051/0004-6361/201628808