2005
Thouret, J. - C., Rivera, Marco, Wörner, Gerhard, Gerbe M. - C., Finizola A., Fornari M., et al.
(2005).
Ubinas: the evolution of the historically most active volcano in southern Peru.
Bulletin of Volcanology. 67, 557-589.
Abstract
2003
2001
2000
1988
1971
1968