https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%2267547%22%20and%20au%3AAlcal%C3%83%C2%A1%20Reygosa%2C%20Jes%C3%83%C2%BAs%20and%20au%3AAlcal%C3%83%C2%A1%20Reygosa%2C%20Jes%C3%83%C2%BAs&format=rss2 Search results for 'an:"67547" and au:Alcalá Reygosa, Jesús and au:Alcalá Reygosa, Jesús' at Biblioteca - Ingemmet 0 20