| Citation | Arai, R., 1991. Nippon-baratango. p. 284-285. In Environment Agency (ed.) Endangered vertebrate species of Japan. Japan Wildlife Research Center, Tokyo. 331p. |
| DOI / ISBN | |
| PDF/Reference URL | |
| Ref. No. | 11881 |
| Language | Japanese |
| Usage | not seen |
| Comments on the publication | |
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