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Bericht über die Bevölkerungsentwicklung in der Stadt Dortmund bis 2000 : Analysen u. Berichte
(1987)
Demographic changes in the United States: the economic and social consequences into the 21st century : hearings before the Subcommittee on Econom. Resources, Competitiveness, and Security Econom. of the Joint Econom. Committee, Congress of the United States, 99th Congress, 2nd session, July 25, 29, and 31, 1986
Langfristige Bevölkerungsveränderung und Stadtentwicklung in Stuttgart
Heruday, Ruth, (1986)
Bevölkerungsprognostik
Page, William, (1973)
Some non-fuel mineral resources
Page, William, (1978)
The non-renewable resources sub-system