BÜCHI, Felix N.; AFFOLTER, Jean-François; CAMENZIND, Stefan; CHMIELEWSKI, Niels; DIETRICH, Philipp; HÖCKEL, Michael; RUGE, Martin; SANTIS, Marco. PEFC: Stacks, Systems, and Applications. CHIMIA, [S. l.], v. 58, n. 12, p. 869, 2004. DOI: 10.2533/000942904777677074. Disponível em: https://www.chimia.ch/chimia/article/view/2004_869. Acesso em: 2 may. 2024.