Global Human Footprint Index = Globalni kazalnik človekovega odtisa
Wildlife Conservation Society – WCS & Center for International Earth Science Information Network – CIESIN – Columbia University (2005). Last of the Wild Project, Version 2, 2005 (LWP-2): Global Human Footprint Dataset (Geographic). Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC) – http://dx.doi.org/10.7927/H4M61H5F (trenutno ne deluje). Globalni kazalnik (indeks) človekovega odtisa (angl. Human footprint) […]