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*Food and Agriculture Organization of the United Nations (FAO; 2017): Voluntary Guidelines for Sustainable Soil Management. Rome. URL: http://www.fao.org/3/a-bl813e.pdf (Stand: 08.08.2020) | *Food and Agriculture Organization of the United Nations (FAO; 2017): Voluntary Guidelines for Sustainable Soil Management. Rome. URL: http://www.fao.org/3/a-bl813e.pdf (Stand: 08.08.2020) | ||
*[https://opac.ub.uni-muenchen.de/TouchPoint/perma.do?q=0%3D% | *[https://opac.ub.uni-muenchen.de/TouchPoint/perma.do?q=0%3D%22elsevier_sdoi_10_1016_j_earscirev_2009_02_003%22+IN+%5B5%5D&v=sunrise&l=de| Verheijen, F., Jones, R., Rickson, R., Smith, C. Smith (2009): Tolerable versus actual soil erosion rates in Europe. Accepted Manuscript. Earth-Science Reviews, 94, 23-38.] | ||