http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Afforestation and erosion control mobilization action plan in Turkey (2008-2012) in combating global warming, climate change and desertification
General Directorate of Combating Desertification and Erosion
Soil erosion, conservation and reclamation