a person in the record
Roeland Joannes Gerardus Wilms
Doctoral advisors Fred Steutel and Petrus Johannes Holewijn 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.
Wikidata run graph-wikidata-20261015T220004Z