| Authors(s) | Pierrot-Bults, A. C. and Spoel, S. van der |
| Year | 1979b |
| Title | General conclusion. In: Spoel, S. van der and Pierrot-Bults, A. C. (eds). Zoogeography and diversity in plankton. Utrecht (Bunge Sci. Publ.): 356-358. |
| Authors(s) | Pierrot-Bults, A. C. and Spoel, S. van der |
| Year | 1979b |
| Title | General conclusion. In: Spoel, S. van der and Pierrot-Bults, A. C. (eds). Zoogeography and diversity in plankton. Utrecht (Bunge Sci. Publ.): 356-358. |