| Type | Book |
| Authors(s) | Ban, Y., S. Shibita & M. Ishikawa |
| Year | 1988b |
| Title | A monograph of the water scorpion, Nepa hoffmanni Esaki: 1-142 |
| Published in/Publisher | Bunichi Sogo Shuppan, Tokyo |
| Type | Book |
| Authors(s) | Ban, Y., S. Shibita & M. Ishikawa |
| Year | 1988b |
| Title | A monograph of the water scorpion, Nepa hoffmanni Esaki: 1-142 |
| Published in/Publisher | Bunichi Sogo Shuppan, Tokyo |