Milchunas, D.G.; Noy-Meir, I. 2004. Geologic grazing refuges and grassland diversity: A shortgrass steppe study. Journal of Range Management. 57(2): 141-147.
Milchunas, D.G.; Noy-Meir, I. 2004. Geologic grazing refuges and grassland diversity: A shortgrass steppe study. Journal of Range Management. 57(2): 141-147.