<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Geologia del petroleo}) AND (su,complete-subfield:{Técnicas modernas}) AND (su,complete-subfield:{Producción})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BGeologia%20del%20petroleo%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BT%C3%83%C2%A9cnicas%20modernas%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BProducci%C3%83%C2%B3n%7D%29&format=rss2 0 20