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Takahashi, H. (2002) Changes of dominance rank, age, and Tenure of wild Japanese macaque males in the Kinkazan A troop during seven years. Primates 43: 133-138.
Takahashi, H. (2002) Female reproductive parameters and fruit availability: factors determining onset of estrus in Japanese macaques. American Journal of Primatology 57: 141-153.
Takahata, Y., Huffman, M. A., Bardi, M. (2002) Long-term trends in matralineal inbreeding among the Japanese macaques of Arashiyama B Troop. International Journal of Primatology 23(2): 399-410.
Furuichi, T., Hashimoto, C. (2002) Why female bonobos have a lower copulation rate during estrus than chimpanzees. “Behavioural Diversity in Chimpanzees and Bonobos”: 156-167, (ed. Boesch, C., Marquardt, L.) Harvard Univ. Press, Harvard.
Kawamoto, Y., Ohsawa, H., Muroyama, Y., Shirai, K., Araki, S., Maekawa, S., Nigi, H., Maruhashi, T., and other members of the Working Group of Wakayama Taiwan macaques. (2002) Hybridization problem between native and introduced monkeys in Japan. International Symposium: Application of Non-human Primates in Biotechnology for Conservation and Biomedical Research (Jul. 2002, Bogor, Indonesia).
Ohsawa, H., Kawamoto, Y., Shirai, K., Nigi, H., Maruhashi, T., Maekawa, S., Muroyama, Y., Araki, S., other members of the Working Group of Wakayama Taiwan macaques. (2002) Invasion of Taiwan macaques into Wakayama prefecture, Japan, and their hybridization with Japanese macaques: its history and the present state of the population. COE Internatinal Symposium (Nov. 2002, Inuyama, Japan)Abstracts: 105.