Darmstadter, Joel Energy in the world economy: A statistical review of trends in output, trade, and consumption since 1925 - Baltimore: The John Hopkins Press, 1971 - x, 876p. ISBN: 0-8018-1282-8 Subjects--Topical Terms: Science Subjects--Index Terms: World economy Universal Decimal Class. No.: R 620.9(038.4) / L1