Osorio

Polarimetric constraints on the optical afterglow emission from GRB 990123

A. Castro-Tirado, N. Caon, Hjorth, 1999, Science.

Spectroscopic limits on the distance and energy release of GRB 990123

Korhonen, Hjorth, Andersen, 1999, Science.

Discovery of a low-mass brown dwarf companion of the young nearby star G 196-3

Arribas, Osorio, Rebolo, 1998, Science.