a person in the record
Roelof Helmers
Doctoral advisor on Wikidata: Willem van Zwet; 1 doctoral student on Wikidata.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Students on Wikidata1
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
- Arnold L. M. Dekkersborn 1957
Wikidata run graph-wikidata-20261008T172418Z