1. Austin, L. 1967 ‘Fuel cells SA SP — 120, Office of Technology Utilization’ Washington
2. Baker, B. S., 1965, ‘Hydrocarbon Fuel Cell Technology’ Academic Press., New York
3. Berger, C. 1968, ‘Handbook of Fuel Cell Technology’ Prentice — Hall, Englewood Cliffs. N.J.
4. Bockris, J. O‘M. and Srinivasan, S., 1969, ’Fuel Cells, Their Electrochemistry McGraw — Hill., New York
5. Hart, A. B. and Wormak, G. J., 1967, ‘Fuel Cells’ Chapman and Hall London