Physical geography. Geology.

Paper
Guerra, Arcadio (Author)
Journal title: 
Revista de Estudios Extremeños
Year: 
1972
Geographic area: 
Paper
Guerra, Arcadio (Author)
Journal title: 
Revista de Estudios Extremeños
Year: 
1975
Geographic area: 
Book Chapter
Catarino, Helena (Author)
Book title: 
Minas y metalurgia en al-Andalus y Magreb occidental. Explotación y poblamiento
Year: 
2008
Geographic area: 
Paper
Journal title: 
Estudos, Notas e Trabalhos do Serviço Fomento Mineiro
Year: 
1949
Geographic area: