https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=548%26limit%3Dau%3AOrti%20Cabo%2C%20Federico%26limit%3Dsu-to%3APETROGRAF%C3%83%C2%8DA&format=rss2 Search results for 'an,phr: 548&limit=au:Orti Cabo, Federico&limit=su-to:PETROGRAFÍA' at Biblioteca - Ingemmet 0 20