GRB 180720B: AMI-LA 15.5 GHz observation. Sfaradi, I. ; Bright, J. ; Horesh, A. ; Fender, R. ; Motta, S. ; Titterington, D. ; Perrott, Y. Abstract Publication: GRB Coordinates Network Pub Date: 2018 Bibcode: 2018GCN.23037....1S