| Authors(s) | Spoel, S. van der |
| Year | 1962a |
| Title | Aberrant forms of the genus Clio Linnaeus, 1767 with a review of the genus Proclio Hubendick, 1951. Beaufortia 9 (107): 173-200. |
| Authors(s) | Spoel, S. van der |
| Year | 1962a |
| Title | Aberrant forms of the genus Clio Linnaeus, 1767 with a review of the genus Proclio Hubendick, 1951. Beaufortia 9 (107): 173-200. |