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<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Petroleo}) AND (su,complete-subfield:{Redes de tuberia}) AND (su,complete-subfield:{diseÃ±o y construccion})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BPetroleo%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BRedes%20de%20tuberia%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7Bdise%C3%83%C2%B1o%20y%20construccion%7D%29&format=rss2 0 20