1. Local and regional variability in granitic grasslands in the mountains of central Argentina;Acosta;Berichte Geobotanische Insitut ETH,1989
2. Briske , D.D. 1999 Plant traits determining grazing resistance: why have they proved so elusive? Proceedings of the VIth International Rangeland Congress D. Eldridge D. Freudenberger 901 905 Australian Rangeland Society, Queensland
3. Estudios fitosociológicos en pastizales de las Sierras de Córdoba, Argentina - Las comunidades de Pampa de San Luis;Cabido;Phytocoenologia,1989