Physical parameters of GRB 970508 from its afterglow synchrotron emissionT. J. Galama, R. A.M.J. Wijers, P. M. Vreeswijk, P. J. Groot, J. Van Paradijs, C. Kouveliotou, C. Robinson, M. Bremer, R. G. Strom and N. TanvirAstron. Astrophys. Suppl. Ser., 138 3 (1999) 451-452DOI: https://doi.org/10.1051/aas:1999304