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<![CDATA[Biblioteca UGB Search for 'an:591 and se:FÃsica and itype:BK and au:Serway, Raymond A']]> https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=an%3A591%20and%20se%3AF%C3%83%C2%ADsica%20and%20itype%3ABK%20and%20au%3ASerway%2C%20Raymond%20A&format=rss2 Search results for 'an:591 and se:FÃsica and itype:BK and au:Serway, Raymond A' at Biblioteca UGB 0 20