B.A. Baby, M. Beccali, M. Ferraro, G. Poma, S. Bonanno, Preliminary Studies on Methane-hydrogen Blends in Natural Gas (NG) Pipelines – a Case History for Technical Evaluation in an Existing Distribution Network to Identify Barriers and Enablers, Chemical Engineering Transactions. 105 (2023) 67-72. doi:10.3303/CET23105012.