global forest resources assessment" archive copy at the Wayback Machine 2000, FAO, Rom 2001 Eisflächen: Shuttle Radar Topography Mission, Nasa - 2000 in [www...
work Carl Beierkuhnlein u. Jan-Christopher Fischer: Global Biomes and Ecozones – Conceptual and Spatial Communalities and Discrepancies, in Erdkunde 2021...