References
Notes
- Szabady , E. , Tekse , K. and Pressat , B. 1966 . La population des pays socialistes europeens . Population ,
- Glass , D. V. 1968 . Fertility trends in Europe since the second world war . Population Studies , 22 ( 1 )
- Frumkin , G. 1951 . Population Changes in Europe since 1939 New York
- Szabady , E. , ed. 1964 . Studies on Fertility and Social Mobility 102 – 102 . Budapest