https://biblioteca.ugb.edu.sv/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3APlaza%20Jan%C3%83%C2%A9s%20and%20au%3ASandoz%2C%20Yves&format=rss2 Search results for 'Provider:Plaza Janés and au:Sandoz, Yves' at Biblioteca UGB 0 20