Article

Fynbo, JPU, Watson, D, Thone, CC, Sollerman, J, Bloom, JS, Davis, TM, Hjorth, J, Jakobsson, P, Jorgensen, UG, Graham, JF, Fruchter, AS, Bersier, D, Kewley, L, Cassan, A, Ceron, JMC, Foley, S, Gorosabel, J, Hinse, TC, Horne, KD, Jensen, BL et al, Klose, S, Kocevski, D, Marquette, J-B, Perley, DA, Ramirez-Ruiz, E, Stritzinger, MD, Vreeswijk, PM, Wijers, RAM, Woller, KG, Xu, D and Zub, M (2006) No supernovae associated with two long-duration gamma-ray bursts. Nature, 444 (7122). pp. 1047-1049. ISSN 0028-0836