1. Energy, conflict and war: Towards a conceptual framework;Månsson;Energy Research & Social Science,2014
2. Change of grassland vegetation and driving factors based on MODIS/NDVI in Xilingol;Ah;China, Resources Science,2019
3. A Review of Vegetation Indices;Bannari;Remote Sensing Reviews,1995
4. Clark A H., 1956, The impact of exotic invasion on the remaining new world mid-latitude grasslands. In: Thomas W L. Man's Role in Changing the Face of Earth. Chicago: University of Chicago Press, 736-762.
5. Distance to nearest neighbor as a measure of spatial relationships in populations;Clark;Ecology,1954