Multi-wavelength analysis of the field of the dark burst GRB 031220
A. Melandri, B. Gendre, L. A. Antonelli, A. Grazian, A. de Ugarte Postigo, J. Gorosabel, L. Piro, G. Kosugi, N. Kawai, M. de Pasquale and G. P. Garmire
A&A, 451 1 (2006) 27-33
DOI: https://doi.org/10.1051/0004-6361:20053641