Perhaps you should try some spelling variations:
instituto geologico » instituto tecnologico, instituto pedagogico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instituto » para instituto, del instituto, el instituto
geologico de » reologico de, teologico de, ideologico de
mineral y » general y

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: publicaciones peri instituto geologico de ((mineria de) or (mineral y)) espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicaciones peri instituto geologico de ((mineria de) OR (mineral y)) espana ;.
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instituto geologico de ((mineria de) or (mineral y)) espana ;*.