ÅHMAN, Birgitta; FORBERG, Sevald; ÅHMAN, Gustaf. Zeolite and bentonite as caesium binders in reindeer feed. Rangifer, Tromsø, Norway, v. 10, n. 3, p. 73–82, 1990. DOI: 10.7557/2.10.3.834. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/834. Acesso em: 25 may. 2026.