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2. Consanguineous marriages in the American population;Arner;Columbia University Studies in History, Economics and Public Law (XXXI),1908
3. Frequency of isonymous marriages;Kamizaki;Seibutsu Tokei-gaku Zassi,1954
4. An index of consanguinity based on the use of the surname in Spanish speaking countries;Shaw;Journal of Heredity,1960
5. Studies in human population structure;Yasuda,1967