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Giger, Markus (2006). Soil and Land in the Millennium Ecosystem Assessment and the Rio Conventions. In: Hurni, Hans; Giger, Markus; Meyer, Konrad (eds.) Soils on the global agenda: Developing international mechanisms for sustainable land management (pp. 37-39). Bern, Switzerland: Geographica Bernensia
Hurni, Hans; Giger, Markus; Meyer, Konrad (eds.) (2006). Soils on the global agenda. Developing international mechanisms for sustainable land management. Bern, Switzerland: Geographica Bernensia
Hurni, Hans; Meyer, Konrad (eds.) (2002). A world soils agenda: Discussing international actions for the sustainable use of soils. Berne: Geographica Bernensia
Hurni, Hans; Meyer, Konrad (2003). Actions of the International Union of Soil Science towards a global agenda for the sustainable use of soils. In: Proceedings to the Workshop "Economic Interests and Benefits of Sustainable Use of Soils and Land Management". Thalwil, Switzerland. 30.-31.1.2003.