1. The relativistic logic of mutual specification in statistics;Kitagawa;Mem. Fac. Scie., Kyushu Univ., Ser. A,1963
2. Automatically controlled sequence of statistical procedures in data analysis;Kitagawa;Mem. Fac. Sci., Kyushu Univ., Ser. A,1963
3. Automatically controlled sequence of statistical procedures;Kitagawa,1965
4. Kitagawa, T. (1969a). The logics of informatics (in Japanese), Contemporary Series 200, Kodan Sha.
5. Kitagawa, T. (1969b). Information science approaches to scientific information systems and their implications to scientific researches, Research Inst. of Fund. Information Scie., Kyushu Univ., Research Report No.3, 1–41.