Perhaps you should try some spelling variations:
instituto biologica » instituto geologico, instituto biblioteca, instituto biblico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instituto » para instituto, del instituto, el instituto
biologica del » biologica de, biologia del, biologia de
mineral de » mineria de, mineral 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 biologica del ((mineral de) or (general de)) espana ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: publicaciones peri instituto biologica del ((mineral de) OR (general de)) espana ;.
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instituto biologica del ((mineral de) or (general de)) espana ;*.