http://opac.ua.pt/cgi-bin/koha/opac-search.pl?&limit=mc-ccode%3A%27%27%27%27%27%27%27%27%27%27MDF%27%27%27%27%27%27%27%27%27%27&limit=su-to%3AM%C3%83%C2%BAsica%20para%20violino&limit=location%3AH&limit=au%3ABach%2C%20Johann%20Sebastian%2C&format=rss2 Search results with limit(s): 'mc-ccode:''''''''''MDF'''''''''' su-to:Música para violino location:H au:Bach, Johann Sebastian,' at Bibliotecas UA 0 20