Perhaps you should try some spelling variations:
instituto biologico » instituto geologico, instituto biblico, instituto tecnologico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instituto » para instituto, del instituto, el instituto
del mineral » del general, de minerales
de mineral » de minerales, _ mineral, de mineria

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 biologico ((del mineral) OR (de mineral)) de espana ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "publicaciones peri instituto biologico ((del mineral) OR (de mineral)) de espana ;".
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instituto biologico ((del mineral) OR (de mineral)) de espana ;*.