TY  - GEN
AU  - Antonelli,L Angelo
AU  - Testa,Vincenzo
AU  - Romano,Patrizia
AU  - Guetta,Dafne
AU  - Torii,Ken'ichi
AU  - D'Elia,Valerio
AU  - Malesani,Daniele
TI  - The puzzling afterglow of GRB 050721: a rebrightening seen in the optical but not in the X-ray
SN  - 1364-503X
PY  - 2007///0531
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1098/rsta.2006.1966
ER  -