@misc{orgprints12973,
          editor = {Gerold Rahmann},
           title = {Ressortforschung f\"ur den \"Okologischen Landbau 2007},
       publisher = {Bundesforschungsanstalt f\"ur Landwirtschaft},
            year = {2007},
          series = {Landbauforschung V\"olkenrode - Sonderheft},
             url = {http://orgprints.org/12973/}
}