U.S. energy policy : alternatives for security

Autor: Bohi, Douglas R., Russell, Milton
Rok: 1975

Energy, economic growth, and the environment : papers presented at a forum conducted by Resources for the Future, Inc. in Washington, D.C., 20-21 April 1971

Rok: 1973

Natural resources and international development

Autor: Johnson, D. Gale 1916-2003
Rok: 1964

Land for the future

Autor: Clawson, Marion, 1905-1998, Held, R. Burnell, Stoddard, Charles H.
Rok: 1960