<![CDATA[Biblioteca Jorge Álvarez Lleras Search for 'Provider:Springer, and au:Grünbaum, Branko']]> https://catalogo.escuelaing.edu.co/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ASpringer%2C%20%20and%20au%3AGr%C3%83%C2%BCnbaum%2C%20Branko&format=rss2 0 20