 | on 31 May 2009. Retrieved 5 October 2010. jvt (27 October 2013). "Onderzoeksschip Belgica wordt binnen vier jaar vervangen". De Standaard (in Dutch)... 8 KB (454 words) - 01:09, 21 October 2023 |
| on 31 May 2009. Retrieved 5 October 2010. jvt (27 October 2013). "Onderzoeksschip Belgica wordt binnen vier jaar vervangen". De Standaard (in Dutch)... 8 KB (454 words) - 01:09, 21 October 2023 |