“Available Aerial Phytomass of a Poa Ligularis and Piptochaetium Napostaense Grassland During the Period 1984-1985”. Semiárida, vol. 3, no. 1, July 2020, pp. 11-19, https://ojs.unlpam.edu.ar/index.php/semiarida/article/view/5137.