The solar-hydrogen energy economy : beyond the age of fire / Luther W. Skelton. Skelton, Luther W. Solar energy. Hydrogen as fuel. Energy development. TJ810 .S4854 1984 333.7923 19 SKS Includes bibliographical references and index. New York : Van Nostrand Reinhold, c1984. c1984. 1984 Text x, 197 p. : eng