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The German problem in European politics
Stefanowicz, Janusz, (1975)
The German problem
Piszczkowski, T., (1967)
The German question and Europe
Rényi, Péter, (1972)
Input-output methods of energy analysis
Peet, John, (1993)
Vom Freihandel
Peet, John, (2016)
Sustainable development indicators and human needs
Peet, John Richard, (2006)