Warm-hot intergalactic baryons revealed L. Zappacosta, F. Mannucci, R. Maiolino, R. Gilli, A. Ferrara, A. Finoguenov, N. M. Nagar and D. J. Axon A&A, 394 1 (2002) 7-15 Published online: 04 October 2002 DOI: 10.1051/0004-6361:20021104