Jiangshui Luo; Annemette H. Jensen; Neil R. Brooks; Jeroen Sniekers; et al. (2015). "1,2,4-Triazolium perfluorobutanesulfonate as an archetypal pure protic organic ionic plastic crystal electrolyte for all-solid-state fuel cells". Energy & Environmental Science. 8. doi:10.1039/C4EE02280G.