<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Rocas fosfatadas }) AND (su,complete-subfield:{Química - Análisis})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BRocas%20fosfatadas%20%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BQu%C3%83%C2%ADmica%20-%20An%C3%83%C2%A1lisis%7D%29&format=rss2 0 20