https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A1828%20and%20au%3ARivera%20Porras%2C%20Marco%20Antonio%20and%20su-geo%3AAREQUIPA&format=rss2 Search results for 'an:1828 and au:Rivera Porras, Marco Antonio and su-geo:AREQUIPA' at Biblioteca - Ingemmet 0 20