PW, R. The immediate effects of intensive grazing of mixed Karoo veld. African Journal of Range and Forage Science, [S. l.], v. 2, n. 1, p. 83–90, 1967. Disponível em: https://www.ajol.info/index.php/ajrfs/article/view/1293. Acesso em: 16 sep. 2026.