GRAF, Jean-François. Das Centre de Recherches Agricoles (CRA) in St. Aubin und die Forschung der Division Tiergesundheit. CHIMIA, [S. l.], v. 48, n. 9, p. 443, 1994. DOI: 10.2533/chimia.1994.443. Disponível em: https://www.chimia.ch/chimia/article/view/1994_443. Acesso em: 2 may. 2024.