Media type: E-Article Title: Identification of broad-leaved dock (Rumex obtusifolius L.) on grassland by means of digital image processing Contributor: Gebhardt, Steffen; Schellberg, Jürgen; Lock, Reiner; Kühbauch, Walter imprint: Springer Science and Business Media LLC, 2006 Published in: Precision Agriculture Language: English DOI: 10.1007/s11119-006-9006-9 ISSN: 1385-2256; 1573-1618 Origination: Footnote: