https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A2798%20and%20se%3AGeological%20Society%20of%20America.%20Special%20Paper%20and%20su-to%3APALEOZOICO&format=rss2 Search results for 'an:2798 and se:Geological Society of America. Special Paper and su-to:PALEOZOICO' at Biblioteca - Ingemmet 0 20