https://catalogobiblioteca.ingemmet.gob.pe/cgi-bin/koha/opac-search.pl?idx=an%2Cphr&q=548%26limit%3Davailable%26limit%3Dsu-geo%3ABOLIVIA%26limit%3Dau%3AGruber%2C%20Paul%20W.&format=rss2 Search results for 'an,phr: 548&limit=available&limit=su-geo:BOLIVIA&limit=au:Gruber, Paul W.' at Biblioteca - Ingemmet 0 20