1. Mathematical models of the distribution of attitudes under controversy;Abelson,1964
2. Statistics and politics: the need for causal data analysis;Alker,1969
3. Trends in economic partnership: The North Atlantic area, 1928–1963;Alker,1968
4. Dami hensu to suryoka ho e no oyo;Aoyama;Tokei Suri Kenkyujo Iho,1965
5. Dami hensu to suryoka ho e no oyo;Aoyama;Tokei Suri Kenkyujo Iho,1965