A national index for energy productivity : a study - Penz, Alton J.; Bakke, Dennis; United States. Congress. Joint Economic Committee (Washington : U.S. Government Printing Office, 1981)
At head of title: 97th Congress, 1st session. Joint committee print.
Authors: Alton Penz and Dennis Bakke.
"May 13, 1981."
G.P.O. sales statement incorrect in publication.
Includes bibliography: p. 40-41.
Keywords: Energy development -- Economic aspects -- United States -- Mathematical models; Energy consumption -- Economic aspects -- United States -- Mathematical models; Economic indicators -- United States; Index numbers (Economics)