http://opac.ua.pt/cgi-bin/koha/opac-search.pl?&limit=mc-ccode%3A%27%27%27%27%27%27%27%27%27%27MR%27%27%27%27%27%27%27%27%27%27&limit=su-to%3AFilosofia%20da%20ci%C3%83%C2%AAncia&limit=au%3ARey%2C%20Abel%2C&format=rss2 Search results with limit(s): 'mc-ccode:''''''''''MR'''''''''' su-to:Filosofia da ciência au:Rey, Abel,' at Bibliotecas UA 0 20