''Conceptual design of a fossil hydrogen infrastructure with capture and sequestration of carbon dioxide : case study in Ohio'' Joan Ogden, Nils Johnson, Christopher Yang [et al.] - 19 pp.- 2005
''Analyzing natural gas based hydrogen infrastructure - optimizing transitions from distributed to centralized H2 production'' - Christopher Yang, Joan Ogden - 20 pp.- 2005
''Technico-economic assessment of hydrogen transmission and distribution systems in Europe in the medium and long term'' - Rapport réalisé par P. Castello, paru en mars 2005
''The NATURALHY-Project : preparing for the hydrogen economy by using the existing natural gas system as a catalyst'' - Exposé présenté par Rolinda Huizing (N.V. Nederlandse Gasunie) téléchargé le 26/08/2004