Enlace original:
http://repositorio.uchile.cl/handle/2250/126125
López Morales, Sebastián
,
Masegosa, J.
,
Marquez, I.
,
Maza Sancho, José
,
[Slit spectroscopy of nine new z > 3 southern QSOs: Damped Ly alpha and Lyman-limit systems]