dr. A. von Bülow (oud-minister Onderzoek en Technologie in West-Duitsland)
Antonisse, Marcel / <a href="https://en.wikipedia.org/wiki/Anefo" class="extiw" title="w:Anefo">Anefo</a>
<a href="https://en.wikipedia.org/wiki/en:Nationaal_Archief" class="extiw" title="w:en:Nationaal Archief"><span title="National Archives of the Netherlands">Nationaal Archief</span></a>:  entry  <a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/ad2db332-d0b4-102d-bcf8-003048976d84">ad2db332-d0b4-102d-bcf8-003048976d84</a>