Über die Zukunft der Menschheit
By: Christoph Schweizer, Ursula Lüthy.
Contributors: Lüthy, Ursula.
Publisher: Ecoma Real
Published: 1987
Place of publication: Herzogenbuchsee
Language: ger
Number of pages: 75
Subjects: Twentieth century -- Forecasts.; Twenty-first century -- Forecasts.