<![CDATA[Biblioteca UGB Search for 'an:1834 and itype:BK and au:Calavera Opi, César']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A1834%20and%20itype%3ABK%20and%20au%3ACalavera%20Opi%2C%20C%C3%83%C2%A9sar&format=rss2 Search results for 'an:1834 and itype:BK and au:Calavera Opi, César' at Biblioteca UGB 0 20