https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A%2214922%22%20and%20su-to%3AGENESIS-YACIMIENTO%20and%20au%3AAyuso%2C%20Robert%20A.%20and%20su-to%3APLATA&format=rss2 Search results for 'an:"14922" and su-to:GENESIS-YACIMIENTO and au:Ayuso, Robert A. and su-to:PLATA' at Biblioteca - Ingemmet 0 20