LAGGNER, Birgit; ORTHEN, Natascha; OSTERBURG, Bernhard; RÖDER, Norbert. Is the Increasing Bio-methane Production the Sole Reason for the Declining Grassland Area in Germany? An Analysis of Geo-referenced Land Use Data. Raumforschung und Raumordnung | Spatial Research and Planning, DE, v. 72, n. 3, p. 195–209, 2014. DOI: 10.1007/s13147-014-0278-7. Disponível em: https://rur.oekom.de/index.php/rur/article/view/627. Acesso em: 25 aug. 2026.