GRB060526, optical observations. Greco, G. ; Terra, F. ; Bartolini, C. ; Guarnieri, A. ; Piccioni, A. ; Nanni, D. ; Bruni, I. ; Galleti, S. ; Pizzichini, G. Abstract Publication: GRB Coordinates Network Pub Date: 2006 Bibcode: 2006GCN..5171....1G