Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1991)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1992)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1993)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1994)