The Synthetic Optimum of Population: an outline of an international demographic policy/
Ferenczi, Imre
The Synthetic Optimum of Population: an outline of an international demographic policy/ Imre, Ferenczi - Paris, International Institute of Intellectual Co-operation, League of Nations, 1938 - 115 p.:
At head of title: International Studies Conference.
Population.
312 / FER
The Synthetic Optimum of Population: an outline of an international demographic policy/ Imre, Ferenczi - Paris, International Institute of Intellectual Co-operation, League of Nations, 1938 - 115 p.:
At head of title: International Studies Conference.
Population.
312 / FER