Proceedings of the International Congress on Population and World Resources in relation to the family, August 1948, Cheltenham, England.
Proceedings of the International Congress on Population and World Resources in relation to the family, August 1948, Cheltenham, England.
- London : H.K. Lewis & Co. Ltd., [χ.χ.].
- xviii, 241 σ. ; 22 εκ.
Πληθυσμός
Συνέδρια
HB849
Πληθυσμός
Συνέδρια
HB849