On the X-ray fast-time variability of Sco X-2 (GX 349+2) P. M. O'Neill, E. Kuulkers, R. K. Sood and T. Dotani A&A, 370 2 (2001) 479-487 Published online: 15 May 2001 DOI: 10.1051/0004-6361:20010216