GRB 180720B: Testing the universality of the newly born neutron st=. Ruffini, R. ; Aimuratov, Y. ; Bianco, C. L. ; Chen, Y. C. ; Fuksman, D. M. ; Karlica, M. ; Moradi, R. ; Primorac, D. ; Rueda, J. A. ; Sahakyan, N. ; Wang, Y. Abstract Publication: GRB Coordinates Network Pub Date: 2018 Bibcode: 2018GCN.23019....1R