| Authors(s) | Bosch, M. van den and Janssen, A. W. |
| Year | 1990 |
| Title | Application of planktonic Gastropods ('Pteropods') in biostratigraphy and interregional correlation of Rupelian deposits in Belgium and the Netherlands. Veröff. Übersee-Mus. A10: 3-10. |
| Authors(s) | Bosch, M. van den and Janssen, A. W. |
| Year | 1990 |
| Title | Application of planktonic Gastropods ('Pteropods') in biostratigraphy and interregional correlation of Rupelian deposits in Belgium and the Netherlands. Veröff. Übersee-Mus. A10: 3-10. |