DE ZULUETA, Julián. IVth Internationale Rangeland Congress. Montpellier, 22-26 abril 1991. Pastos, [S. l.], v. 2021, p. 169–172, 2011. Disponível em: https://polired.upm.es/index.php/pastos/article/view/1219. Acesso em: 28 apr. 2026.