TY - JOUR
AU - G. Ghirlanda
AU - G. Ghisellini
AU - C. Firmani
AU - L. Nava
AU - F. Tavecchio
AU - D. Lazzati
BT - Astronomy and Astrophysics
DA - Jan-06-2006
DO - 10.1051/0004-6361:20054544
PY - 2006
SP - 839
EP - 844
T2 - Astronomy and Astrophysics
TI - Cosmological constraints with GRBs: homogeneous medium vs. wind density profile
UR - http://www.aanda.org/10.1051/0004-6361:20054544
VL - 452
SN - 0004-6361
ER -