<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Perforación de Pozos}) AND (su,complete-subfield:{Fluídos})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BPerforaci%C3%83%C2%B3n%20de%20Pozos%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BFlu%C3%83%C2%ADdos%7D%29&format=rss2 0 20