http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Publ. / Bur. Miner. Resour. Geol. Geophys
Bureau of Mineral Resources, Geology and Geophysicics
Bureau of Mineral Resources, Geology and Geophysics
Universidade Federal do Rio Grande do Sul Instituto de Geociências
Universidade Federal do Paraná Setor de Tecnologia