Observing GRB afterglows, SNe and their host galaxies with the 10.4 m Gran Telescopio Canarias (GTC)J. Gorosabel, A.J. Castro-Tirado, A. de Ugarte Postigo, C.C. Thöne, R. Sánchez-Ramírez, D. Peréz-Ramírez, J.C. Tello, M. Jelínek and S. GuziyEAS Publications Series, 61 (2013) 235-239DOI: https://doi.org/10.1051/eas/1361035