| Authors(s) | Nishiwaki, M. |
| Year | 1966b |
| Title | Distribution and migration of marine mammals in the North Pacific area. In: Symposion no. 4 of the 11th Pacific Science Congress, August 24, 1966: 1-49, 19 figs, appendix. |
| Authors(s) | Nishiwaki, M. |
| Year | 1966b |
| Title | Distribution and migration of marine mammals in the North Pacific area. In: Symposion no. 4 of the 11th Pacific Science Congress, August 24, 1966: 1-49, 19 figs, appendix. |