| Authors(s) | Vacelet, J., C. Donadey and C. Froget |
| Year | 1987 |
| Title | The calcium carbonate spherules of Hemimycale columella (Demosponges, Poecilosclerida) and their taxonomic value. In: J. Vacelet and N. Boury-Esnault (eds), Taxonomy of Porifera, Springer Verlag, Berlin: 259-274. |