1. Amati, L. et al. 2007, A&A, 463, 913
2. Baumgartner, W.H. et al. 2008, GCN 8330
3. Gamma‐Ray Bursts from Delayed Collapse of Neutron Stars to Quark Matter Stars
4. Berger, E., Fox, D.B., Cucchiara, A., Cenko, S.B. 2008, GCN 8335
5. Berger, E., Soderberg, A.M. 2008, GCN 7159