Aumont, Gilles, et al. “Macro Mineral and Trace Element Content of Pangola Grass and Other Forages in Guadeloupe (F.W.I.)”. The Journal of Agriculture of the University of Puerto Rico, vol. 80, no. 1-2, Apr. 1996, pp. 21-35, doi:10.46429/jaupr.v80i1-2.4320.