@inproceedings{orgprints3600,
          editor = {J He\ss and G Rahmann},
           title = {Strukturdaten zum \"okologischen Landbau: welche Daten stehen zur Verf\"ugung?},
          author = {Barbara Bichler and Ulrich Hamm and Hiltrud Nieberg and Markus Rippin},
       publisher = {kassel university press GmbH, Kassel},
            year = {2005},
         journal = {Ende der Nische, Beitr\"age zur 8. Wissenschaftstagung \"Okologischer Landbau},
        keywords = {Richtlinien und Konrolle, Strukturdaten, B?L, BOEL, FKZ 02OE469},
             url = {http://orgprints.org/3600/},
        abstract = {Researchers in the field of organic farming often need reliable data about the structure of organic farming. Several databases in Germany provide data concerning this issue. However, most of them have weaknesses regarding methodology, reliability or accessibility. The aim of this study is to give an overview of the most important databases.}
}