Perhaps you should try some spelling variations:
palacio series » palacio perez, placing series
de palacio » del palacio, el palacio, _ palacio
loyola de » loyola die, loyola _, loyola 4
r palacio » _ palacio, _ palacios, el palacio
loyola r » loyola _, loyola 4, loyola a

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( loyola de palacio series on european energy policy ) OR ( loyola r palacio series on european energy policy )).
• Adding a wildcard symbol may retrieve word variants: (( loyola de palacio series on european energy policy ) or ( loyola r palacio series on european energy policy ))*.