Rapid-response mode VLT/UVES spectroscopy of GRB 060418- Conclusive evidence for UV pumping from the time evolution of Fe II and Ni II excited-and metastable-level populations
Journal article published in 2007 by
P. M. Vreeswijk,
P. M. Wreeswijk,
C. Ledoux,
A. Smette,
S. L. Ellison,
A. O. Jaunsen,
M. I. Andersen,
A. S. Fruchter,
Johan Peter Uldall Fynbo 
,
Jens Hjorth,
A. Kaufer,
P. Møller,
P. Petitjean,
S. Savaglio,
R. A. M. J. Wijers
,
Jens Hjorth,
A. Kaufer,
P. Møller,
P. Petitjean,
S. Savaglio,
R. A. M. J. Wijers
