Otolith strontium: calcium ratios in a freshwater stingray, Himantura signifer Compagno and Roberts, 1982, from the Chao Phraya River, Thailand. Coastal marine science, 29(2), 147–153
Collection and measurement data and diagnostic characters of elasmobranchs collected from three river systems in Papua New Guinea. In Shimizu, M. and Taniuchi, T. (Eds.). Studies on Elasmobranchs Collected from Seven River Systems in Northern Australia and Papua New Guinea. University Museum, University of Tokyo. Nature Culture, 3: 27–41
Serum composition and nephron structure of freshwater elasmobranchs collected from Australia and Papua New Guinea. In Shimizu, M. and Taniuchi, T. (Eds.). Studies on Elasmobranchs Collected from Seven River Systems in Northern Australia and Papua New Guinea. University Museum, University of Tokyo. Nature Culture, 3: 55–62
Classification of reproductive modes in sharks with comments on female reproductive tissues and structures. In Pratt, H.L., Gruber, S.H., Taniuchi, T., editors. Elasmobranchs as living resources: advances in the biology, ecology, systematics, and the status of the fisheries: NOAA Technical Report NMFS, 90: 111–130
The fine structure of the intra-uterine epithelium during late gestation in the blue shark, Prionace glauca. Ichthyological Research, 33(2), 162–167
DOI: 10.1007/BF02905844
The Fine Structure of the Placenta of the Blue Shark, Prionace glauca. Japanese Journal of Ichthyology, 32(4), 52–59
DOI: 10.1007/BF02905844
Occurrence and reproductive mode of the false cat shark, Pseudotriakis microdon, in Japan. Japanese Journal of Ichthyology, 31(1), 88–92
Preliminary investigation of sharks and rays in the Philippines. Japanese Group for Elasmobranch Studies, Special Publication, 1: 55-67
Direct evidence for oophagy in thresher shark, Alopias pelagicus. Japanese Journal of Ichthyology, 28(2), 171–172