Grünwaldt, J. M. ., J. C. . Guevara, E. . Martínez Carretero, and E. G. . Grünwaldt. “Effect of Prosopis Spp. As a Nurse Plant on Nutrient Content and Productivity of Opuntia Ellisiana Griffiths”. Revista De La Facultad De Ciencias Agrarias Uncuyo, vol. 50, no. 2, Dec. 2018, pp. 129-37, https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3462.