http://opac.ua.pt/cgi-bin/koha/opac-search.pl?q=ccl=an%3A109454%20and%20location%3ADI%20and%20su-to%3ASociologia%20and%20au%3ADuverger%2C%20Maurice%2C&format=rss2 Search results for 'an:109454 and location:DI and su-to:Sociologia and au:Duverger, Maurice,' at Bibliotecas UA 0 20