Authors: S Campana; V Mangano; A J Blustin; P Brown; D N Burrows; G Chincarini; J R Cummings; G Cusumano; M Della Valle; D Malesani; P Mészáros; J A Nousek; M Page; T Sakamoto; E Waxman; B Zhang; Z G Dai; N Gehrels; S Immler; F E Marshall; K O Mason; A Moretti; P T O'Brien; J P Osborne; K L Page; P Romano; P W A Roming; G Tagliaferri; L R Cominsky; P Giommi; O Godet; J A Kennea; H Krimm; L Angelini; S D Barthelmy; P T Boyd; D M Palmer; A A Wells; N E White Journal: Nature Date: 2006-08-31 Impact factor: 49.962