http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States Department of Agriculture Forest Service Research Paper Pacific Northwest
Pacific Northwest Forest and Range Experiment Station
Continuado por: Research Paper PNW [ISSN 0882-5165]
Universidade Federal do Paraná Departamento de Ciências Florestais