<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'Provider:McGraw-Hill and au:Beer, Ferdinand P and au:Eisenberg, Elliot R']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AMcGraw-Hill%20and%20au%3ABeer%2C%20Ferdinand%20P%20and%20au%3AEisenberg%2C%20Elliot%20R&format=rss2 2 0 50