Büchi FN, Affolter J-F, Camenzind S, Chmielewski N, Dietrich P, Höckel M, et al. PEFC: Stacks, Systems, and Applications. Chimia [Internet]. 2004 Dec. 1 [cited 2024 May 2];58(12):869. Available from: https://www.chimia.ch/chimia/article/view/2004_869