United States. General Accounting Office
Archie W. Culp
John Twidell
Thomas L. Friedman
Vaclav Smil
Paul Pearsall
Judith Orloff
Darlene R. Stille
Unknown Author
United States. General Accounting Office. RCED
Stewart Brand
International Energy Agency
Keith A. Williams
Macmillan/McGraw-Hill School Publishing Company
Roger Messenger
Iea
United States