| Authors(s) | Hilgersom, P. and Spoel, S. van der |
| Year | 1987 |
| Title | East-West variation in Diacria off Northwest Africa. Malac. Rev. 20: 97-104. |
| Authors(s) | Hilgersom, P. and Spoel, S. van der |
| Year | 1987 |
| Title | East-West variation in Diacria off Northwest Africa. Malac. Rev. 20: 97-104. |