http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
California Division of Mines and Geology
California Division of Mines and Geology, Department of Conservation
Universidade Federal do Paraná Setor de Tecnologia
Universidade de São Paulo Instituto de Geociências
Universidade Federal do Rio de Janeiro Museu Nacional