http://opac.ua.pt/cgi-bin/koha/opac-search.pl?&limit=mc-ccode%3A%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27MDF%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27%27&limit=au%3ABach%2C%20Johann%20Sebastian%2C&limit=au%3ABach%2C%20Johann%20Sebastian&limit=location%3ADB&limit=au%3ARogg%2C%20Lionel%2C&format=rss2 Search results with limit(s): 'mc-ccode:'''''''''''''''''''''MDF''''''''''''''''''''' au:Bach, Johann Sebastian, au:Bach, Johann Sebastian location:DB au:Rogg, Lionel,' at Bibliotecas UA 0 20