Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
A premise for investigating the qualities of a farm manager by the results of his farming. International Association of Agricultural Economists the First Intereuropean Seminar, Warszawa 27 May–1 June, 1968
Climate change and coast-case study Sylt. Sub-project: the future development of Sylt Island under changing climate input; Klimaaenderung und Kueste-Fallstudie Sylt. Teilprojekt: Klimabedingte Veraenderung der Gestalt der Insel Sylt. Abschlussbericht