A.LAYCOCK, William; LOPER, Dick; OBERMILLER, Fred W.; SMITH, Lamar; SWANSON, Sherman R.; URNESS, Philip J.; VAVRA, Marty. Grazing on Public Lands. Council for Agricultural Science and Technology (CAST), Ames, U.S.A., 1996. DOI: 10.62300/qyydmg55. Disponível em: https://publications.cast-science.org/CAST/article/view/208. Acesso em: 2 jul. 2026.