https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=259%26limit%3Dau%3ACarpio%20Ronquillo%2C%20Mario&format=rss2 Search results for 'an,phr: 259&limit=au:Carpio Ronquillo, Mario' at Biblioteca - Ingemmet 0 20