Holland, S. T.S. T.HollandGronwall, C.C.GronwallKrimm, H.H.KrimmPerri, MatteoMatteoPerri2020-09-172020-09-172007-01-01https://hdl.handle.net/20.500.13025/907GCNR, 68, 1 (2007)Not AvailableSwift observations of GRB 070628.http://adsabs.harvard.edu/abs/2007GCNR...68....1H2007GCNR...68....1H