1. “Dual improvement of beta-MnO₂ oxygen evolution electrocatalysts via combined substrate control and surface engineering”. Bigiani L, Gasparotto A, Maccato C, Sada C, Verbeeck J, Andreu T, Morante JR, Barreca D, Chemcatchem , 1 (2020).   http://doi.org/10.1002/CCTC.202000999