<![CDATA[Biblioteca Univ. Surcolombiana Search for '(su,complete-subfield:{Cosmología Moderna}) AND (su,complete-subfield:{Modelo Friedmann-Robertson-walker})']]> https://biblioteca.usco.edu.co//cgi-bin/koha/opac-search.pl?q=ccl=%28su%2Ccomplete-subfield%3A%7BCosmolog%C3%83%C2%ADa%20Moderna%7D%29%20AND%20%28su%2Ccomplete-subfield%3A%7BModelo%20Friedmann-Robertson-walker%7D%29&format=rss2 0 20