Studies on fertility and social mobility : proceedings of the International Demographic Symposium held November 20-30, 1962 at the Hungarian Academy of Sciences, Budapest - Hungarian Academy of Sciences (Budapest); Stux, László; Várady, László; Szabady, Egon; International Demographic Symposium (1962 : Budapest) (Budapest : Akadémiai Kiadó, 1964)
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Keywords: porodnost; rodina; demografická situace; sborníky; natality; family