GRB 110801A: afterglow redshift from 10.4m GTC. Cabrera Lavers, A. ; de Ugarte Postigo, A. ; Castro-Tirado, A. J. ; Gorosabel, J. ; Thoene, C. C. ; Dominguez, R. Abstract Publication: GRB Coordinates Network Pub Date: 2011 Bibcode: 2011GCN.12234....1C