H. Koyama

发表

M. Tada, H. Koyama, Takeyoshi Takahashi, 1974 .

H. Toguchi, K. Yamashita, H. Koyama, 1986, Chemical & pharmaceutical bulletin.

Y. Maeno, T. Tsuchimochi, I. Isobe, 2001, Forensic science international.

H. Koyama, Takeyoshi Takahashi, T. Tsuyuki, 1974 .

H. Koyama, Y. Moriyama, Y. Tanahashi, 1974 .