1. An evaluation of the use of hydrogen as a supplement to natural gas Ad Hoc Committee for ERDA, TID-27747,1977
2. Stewart, W.F., Edeskuty, F.J., Williamson, K.D., Lutgen M. Operating experience with a liquid hydrogen fueled vehicle, Advances in Cryogenic Engineering 20th ed., K.D. Timmerhaus ed. Plenum Publishing Corporation, New York
3. Study of fuel subsystems for LH2-fueled subsonic transport aircraft 1 and 2 NASA CR-145369;Brewer,1978
4. Hydrogen-fueled railroad motive power systems, a feasibility study;Foster;ERDA report Cons/4707-1,1976
5. Hydrogen, master key to the energy market;Marchetti;Eurospectra,1971