http://opac.ua.pt/cgi-bin/koha/opac-search.pl?&limit=mc-ccode%3A%27%27%27%27%27%27%27%27%27MDF%27%27%27%27%27%27%27%27%27&limit=au%3ABoulez%2C%20Pierre%2C&limit=au%3ARavel%2C%20Maurice%2C&format=rss2 Search results with limit(s): 'mc-ccode:'''''''''MDF''''''''' au:Boulez, Pierre, au:Ravel, Maurice,' at Bibliotecas UA 0 20