The handbook of ecological monitoring. A GEMS/UNEP -Global Environmental Monitoring System/United Nations Environment Programme- publication. - (:unkn) unknown (My University, 1986)
Keywords: Umweltplanung; Umweltforschung; Raumgrundlage; Boden; Klima; Fernerkundung; Luftbild; Umweltstatistik; Themakartographie