<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'Provider:McGraw-Hill and se:Schaum and su-to:ONDAS ELECTROMAGNETICAS']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AMcGraw-Hill%20and%20se%3ASchaum%20and%20su-to%3AONDAS%20ELECTROMAGNETICAS&format=rss2 2 0 50