TY - JOUR
AU - Küpcü Yolda
AU - J. Greiner
AU - Rosalba Perna
BT - Astronomy and Astrophysics
DA - Jan-10-2006
DO - 10.1051/0004-6361:20065672
PY - 2006
SP - 115
EP - 119
T2 - Astronomy and Astrophysics
TI - Constraining the environment of GRB 990712  through emission line fluxes
VL - 457
SN - 0004-6361
ER -