https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A1518%20and%20se%3AEdici%C3%83%C2%B3n%20especial&format=rss2 Search results for 'an:1518 and se:Edición especial' at Biblioteca - Ingemmet 0 20