https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?q=ccl=an%3A6519%20and%20su-to%3AMANTO%20SUPERIOR%20and%20au%3AZandt%2C%20George&format=rss2 Search results for 'an:6519 and su-to:MANTO SUPERIOR and au:Zandt, George' at Biblioteca - Ingemmet 0 20