/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221970%22%20and%20au%3AVargas%20Ugarte%2C%20Rub%C3%A9n&format=rss2 Search results for 'copydate:"1970" and au:Vargas Ugarte, Rubén' at Catálogo de Biblioteca ENA 0 20